Q: What is the negative version of the number 21,121,501?
A: -21,121,501
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:
| 21,121,499 | 21,121,500 | 21,121,502 | 21,121,503 |
| -21,121,499 | -21,121,500 | -21,121,502 | -21,121,503 |