22112021104 has 80 divisors (see below), whose sum is σ = 44533149696. Its totient is φ = 10627718400.

The previous prime is 22112021081. The next prime is 22112021161. The reversal of 22112021104 is 40112021122.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

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, 18882439 + ... + 18883609.

Almost surely, 2^22112021104 is an apocalyptic number.

It is an amenable number.

22112021104 is an abundant number, since it is smaller than the sum of its proper divisors (22421128592).

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

22112021104 is a wasteful number, since it uses less digits than its factorization.

22112021104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1574 (or 1568 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22112021104 its reverse (40112021122), we get a palindrome (62224042226).

The spelling of 22112021104 in words is "twenty-two billion, one hundred twelve million, twenty-one thousand, one hundred four".