100000022122 has 160 divisors (see below), whose sum is σ = 207656011584. Its totient is φ = 35601753600.

The previous prime is 100000022119. The next prime is 100000022149. The reversal of 100000022122 is 221220000001.

It is a junction number, because it is equal to n+sod(n) for n = 100000022099 and 100000022108.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 73474722 + ... + 73476082.

Almost surely, 2^100000022122 is an apocalyptic number.

100000022122 is an abundant number, since it is smaller than the sum of its proper divisors (107655989462).

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

100000022122 is a wasteful number, since it uses less digits than its factorization.

100000022122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522 (or 1501 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 100000022122 its reverse (221220000001), we get a palindrome (321220022123).

The spelling of 100000022122 in words is "one hundred billion, twenty-two thousand, one hundred twenty-two".