Q: What is the negative version of the number 21,221,571?
A: -21,221,571
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:
| 21,221,569 | 21,221,570 | 21,221,572 | 21,221,573 |
| -21,221,569 | -21,221,570 | -21,221,572 | -21,221,573 |