Q: What is the negative version of the number 21,221,152?
A: -21,221,152
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:
| 21,221,150 | 21,221,151 | 21,221,153 | 21,221,154 |
| -21,221,150 | -21,221,151 | -21,221,153 | -21,221,154 |