100212220122 has 32 divisors (see below), whose sum is σ = 236445425664. Its totient is φ = 27708447600.

The previous prime is 100212220051. The next prime is 100212220133. The reversal of 100212220122 is 221022212001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38482654 + ... + 38485257.

It is an arithmetic number, because the mean of its divisors is an integer number (7388919552).

Almost surely, 2^100212220122 is an apocalyptic number.

100212220122 is an abundant number, since it is smaller than the sum of its proper divisors (136233205542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100212220122 is a wasteful number, since it uses less digits than its factorization.

100212220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76967954.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 100212220122 its reverse (221022212001), we get a palindrome (321234432123).

The spelling of 100212220122 in words is "one hundred billion, two hundred twelve million, two hundred twenty thousand, one hundred twenty-two".