Q: What is the negative version of the number 121,615,221?
A: -121,615,221
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:
| 121,615,219 | 121,615,220 | 121,615,222 | 121,615,223 |
| -121,615,219 | -121,615,220 | -121,615,222 | -121,615,223 |