121 billion = 121 arab. 121 billion is 121,000,000,000 in digits, written 1,21,00,00,00,000 in the Indian system.
How to convert billion to arab
arab = billion × 1
- 1 billion = 1 arab (and 1 arab = 1 billion).
- Multiply the amount by the factor: 121 × 1 = 121.
- Answer: 121 billion = 121 arab.
Indian and international place values
| Indian | Digits (Indian) | International |
|---|---|---|
| 1 lakh | 1,00,000 | 100 thousand |
| 10 lakh | 10,00,000 | 1 million |
| 1 crore | 1,00,00,000 | 10 million |
| 10 crore | 10,00,00,000 | 100 million |
| 100 crore (1 arab) | 1,00,00,00,000 | 1 billion |
| 1 lakh crore | 1,00,00,00,00,000 | 1 trillion |
Billion to Arab table
| Billion (billion) | Arab (arab) |
|---|---|
| 116 billion | 116 arab |
| 117 billion | 117 arab |
| 118 billion | 118 arab |
| 119 billion | 119 arab |
| 120 billion | 120 arab |
| 121 billion | 121 arab |
| 122 billion | 122 arab |
| 123 billion | 123 arab |
| 124 billion | 124 arab |
| 125 billion | 125 arab |
| 126 billion | 126 arab |
| billion | arab |
|---|---|
| 1 billion | 1 arab |
| 2 billion | 2 arab |
| 5 billion | 5 arab |
| 10 billion | 10 arab |
| 50 billion | 50 arab |
| 100 billion | 100 arab |
Good to know
1 lakh = 100,000 (1,00,000) and 1 crore = 10 million (1,00,00,000).
1 million = 10 lakh, 1 billion = 100 crore, 1 trillion = 1 lakh crore.
The Indian system groups digits in twos after the first three (15,00,00,000); the international system groups in threes (150,000,000).