22121110032 has 40 divisors (see below), whose sum is σ = 65309944896. Its totient is φ = 6320317056.

The previous prime is 22121110027. The next prime is 22121110051. The reversal of 22121110032 is 23001112122.

It is a junction number, because it is equal to n+sod(n) for n = 22121109993 and 22121110020.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32917983 + ... + 32918654.

Almost surely, 2^22121110032 is an apocalyptic number.

It is an amenable number.

22121110032 is an abundant number, since it is smaller than the sum of its proper divisors (43188834864).

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

22121110032 is a wasteful number, since it uses less digits than its factorization.

22121110032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65836655 (or 65836649 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 22121110032 its reverse (23001112122), we get a palindrome (45122222154).

The spelling of 22121110032 in words is "twenty-two billion, one hundred twenty-one million, one hundred ten thousand, thirty-two".