22121001120112 has 40 divisors (see below), whose sum is σ = 45116479324800. Its totient is φ = 10478071737792.

The previous prime is 22121001120103. The next prime is 22121001120133. The reversal of 22121001120112 is 21102110012122.

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 7 ways as a sum of consecutive naturals, for example, 9893163 + ... + 11921269.

It is an arithmetic number, because the mean of its divisors is an integer number (1127911983120).

Almost surely, 2^{22121001120112} is an apocalyptic number.

It is an amenable number.

22121001120112 is an abundant number, since it is smaller than the sum of its proper divisors (22995478204688).

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

22121001120112 is a wasteful number, since it uses less digits than its factorization.

22121001120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064013 (or 2064007 counting only the distinct ones).

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

Adding to 22121001120112 its reverse (21102110012122), we get a palindrome (43223111132234).

The spelling of 22121001120112 in words is "twenty-two trillion, one hundred twenty-one billion, one million, one hundred twenty thousand, one hundred twelve".