100201230220121 has 16 divisors (see below), whose sum is σ = 101280862636800. Its totient is φ = 99124606640448.

The previous prime is 100201230220079. The next prime is 100201230220141. The reversal of 100201230220121 is 121022032102001.

It is a cyclic number.

It is not a de Polignac number, because 100201230220121 - 2³⁰ = 100200156478297 is a prime.

It is a super-2 number, since 2×100201230220121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100201230220121.

It is not an unprimeable number, because it can be changed into a prime (100201230220141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233625956 + ... + 234054458.

It is an arithmetic number, because the mean of its divisors is an integer number (6330053914800).

Almost surely, 2^{100201230220121} is an apocalyptic number.

It is an amenable number.

100201230220121 is a deficient number, since it is larger than the sum of its proper divisors (1079632416679).

100201230220121 is a wasteful number, since it uses less digits than its factorization.

100201230220121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432008.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 100201230220121 its reverse (121022032102001), we get a palindrome (221223262322122).

The spelling of 100201230220121 in words is "one hundred trillion, two hundred one billion, two hundred thirty million, two hundred twenty thousand, one hundred twenty-one".