Q: What is the negative version of the number 221,653,821?
A: -221,653,821
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:
| 221,653,819 | 221,653,820 | 221,653,822 | 221,653,823 |
| -221,653,819 | -221,653,820 | -221,653,822 | -221,653,823 |