Q: What is the negative version of the number 121,156,661?
A: -121,156,661
Negative numbers are usually written with - in front of them. They represent a number that is less than zero.
Here are more examples of negative numbers in sequence:
| 121,156,659 | 121,156,660 | 121,156,662 | 121,156,663 |
| -121,156,659 | -121,156,660 | -121,156,662 | -121,156,663 |