Q: What is the negative version of the number 221,550,138?
A: -221,550,138
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:
| 221,550,136 | 221,550,137 | 221,550,139 | 221,550,140 |
| -221,550,136 | -221,550,137 | -221,550,139 | -221,550,140 |