22100122121202 has 48 divisors (see below), whose sum is σ = 49954412394432. Its totient is φ = 7322595326640.

The previous prime is 22100122121201. The next prime is 22100122121213. The reversal of 22100122121202 is 20212122100122.

It is a happy number.

22100122121202 is a `hidden beast` number, since 221 + 0 + 0 + 1 + 221 + 21 + 202 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (22100122121201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 136067049 + ... + 136229372.

It is an arithmetic number, because the mean of its divisors is an integer number (1040716924884).

Almost surely, 2^{22100122121202} is an apocalyptic number.

22100122121202 is an abundant number, since it is smaller than the sum of its proper divisors (27854290273230).

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

22100122121202 is a wasteful number, since it uses less digits than its factorization.

22100122121202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272296605 (or 272296593 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22100122121202 its reverse (20212122100122), we get a palindrome (42312244221324).

The spelling of 22100122121202 in words is "twenty-two trillion, one hundred billion, one hundred twenty-two million, one hundred twenty-one thousand, two hundred two".