22122100121202 has 64 divisors (see below), whose sum is σ = 50747825157120. Its totient is φ = 7135909747200.

The previous prime is 22122100121183. The next prime is 22122100121207. The reversal of 22122100121202 is 20212100122122.

It is a happy number.

22122100121202 is a `hidden beast` number, since 221 + 22 + 100 + 121 + 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 (22122100121207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50573058 + ... + 51008610.

It is an arithmetic number, because the mean of its divisors is an integer number (792934768080).

Almost surely, 2^{22122100121202} is an apocalyptic number.

22122100121202 is an abundant number, since it is smaller than the sum of its proper divisors (28625725035918).

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

22122100121202 is a wasteful number, since it uses less digits than its factorization.

22122100121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465936 (or 465930 counting only the distinct ones).

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

Adding to 22122100121202 its reverse (20212100122122), we get a palindrome (42334200243324).

The spelling of 22122100121202 in words is "twenty-two trillion, one hundred twenty-two billion, one hundred million, one hundred twenty-one thousand, two hundred two".