101 = 5! – 4! + 3! – 2! + 1!
101 is the sum of five consecutive primes: 13 + 17 + 19 + 23 + 29 = 101.
101 is the smallest odd prime that can be represented as the sum of a square and its reverse: 100 + 001 = 101.
A googol (10100) contains 101 digits.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj0PIk4agHW-HeT_eAWP-PdmZyhBOPpjIIszOVOjFhIoH3HzY8DOWOTMOnwJqLmUBQO8fLSe3armeWmtMifv0YJY8ZKJzeNXGtNC02nnT1-X8QxM_JGi3OO2aT4d1xJ7zrfq9L7EF_DC3s/s200/101.jpg)
John Nash's Princeton office number in the movie A Beautiful Mind was 101.
Source: Prime Curios!
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