22122200020112 has 80 divisors (see below), whose sum is σ = 47976654922560. Its totient is φ = 9820199817216.

The previous prime is 22122200020111. The next prime is 22122200020127. The reversal of 22122200020112 is 21102000222122.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (22122200020111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7981718 + ... + 10390005.

It is an arithmetic number, because the mean of its divisors is an integer number (599708186532).

Almost surely, 2^{22122200020112} is an apocalyptic number.

It is an amenable number.

22122200020112 is an abundant number, since it is smaller than the sum of its proper divisors (25854454902448).

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

22122200020112 is a wasteful number, since it uses less digits than its factorization.

22122200020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18372000 (or 18371994 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22122200020112 its reverse (21102000222122), we get a palindrome (43224200242234).

The spelling of 22122200020112 in words is "twenty-two trillion, one hundred twenty-two billion, two hundred million, twenty thousand, one hundred twelve".