22122100122 has 16 divisors (see below), whose sum is σ = 44340180192. Its totient is φ = 7358036720.

The previous prime is 22122100111. The next prime is 22122100127. The reversal of 22122100122 is 22100122122.

It is not an unprimeable number, because it can be changed into a prime (22122100127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3996168 + ... + 4001699.

It is an arithmetic number, because the mean of its divisors is an integer number (2771261262).

Almost surely, 2^22122100122 is an apocalyptic number.

22122100122 is an abundant number, since it is smaller than the sum of its proper divisors (22218080070).

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

22122100122 is a wasteful number, since it uses less digits than its factorization.

22122100122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7998333.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22122100122 its reverse (22100122122), we get a palindrome (44222222244).

The spelling of 22122100122 in words is "twenty-two billion, one hundred twenty-two million, one hundred thousand, one hundred twenty-two".