Q: What is the negative version of the number 21,721,701?
A: -21,721,701
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:
| 21,721,699 | 21,721,700 | 21,721,702 | 21,721,703 |
| -21,721,699 | -21,721,700 | -21,721,702 | -21,721,703 |