Q: What is the negative version of the number 221,156,549?
A: -221,156,549
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:
| 221,156,547 | 221,156,548 | 221,156,550 | 221,156,551 |
| -221,156,547 | -221,156,548 | -221,156,550 | -221,156,551 |