22121020110112 has 96 divisors (see below), whose sum is σ = 54503503617024. Its totient is φ = 8585808748800.

The previous prime is 22121020110103. The next prime is 22121020110143. The reversal of 22121020110112 is 21101102012122.

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

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, 16419814 + ... + 17715877.

It is an arithmetic number, because the mean of its divisors is an integer number (567744829344).

Almost surely, 2^{22121020110112} is an apocalyptic number.

22121020110112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22121020110112 is an abundant number, since it is smaller than the sum of its proper divisors (32382483506912).

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

22121020110112 is a wasteful number, since it uses less digits than its factorization.

22121020110112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34135982 (or 34135974 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22121020110112 its reverse (21101102012122), we get a palindrome (43222122122234).

The spelling of 22121020110112 in words is "twenty-two trillion, one hundred twenty-one billion, twenty million, one hundred ten thousand, one hundred twelve".