100020202200121 has 16 divisors (see below), whose sum is σ = 116660625408000. Its totient is φ = 85717644097344.

The previous prime is 100020202200091. The next prime is 100020202200167. The reversal of 100020202200121 is 121002202020001.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-100020202200121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100020202200421) 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, 21627616 + ... + 25841713.

It is an arithmetic number, because the mean of its divisors is an integer number (7291289088000).

Almost surely, 2^{100020202200121} is an apocalyptic number.

It is an amenable number.

100020202200121 is a deficient number, since it is larger than the sum of its proper divisors (16640423207879).

100020202200121 is an frugal number, since it uses more digits than its factorization.

100020202200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47475493 (or 47475479 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 100020202200121 its reverse (121002202020001), we get a palindrome (221022404220122).

The spelling of 100020202200121 in words is "one hundred trillion, twenty billion, two hundred two million, two hundred thousand, one hundred twenty-one".