22100202012122 has 32 divisors (see below), whose sum is σ = 37877964671232. Its totient is φ = 9580374952704.

The previous prime is 22100202012121. The next prime is 22100202012169. The reversal of 22100202012122 is 22121020200122.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 22100202012122.

It is not an unprimeable number, because it can be changed into a prime (22100202012121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51119918 + ... + 51550425.

It is an arithmetic number, because the mean of its divisors is an integer number (1183686395976).

Almost surely, 2^{22100202012122} is an apocalyptic number.

22100202012122 is a deficient number, since it is larger than the sum of its proper divisors (15777762659110).

22100202012122 is a wasteful number, since it uses less digits than its factorization.

22100202012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102670862.

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

Adding to 22100202012122 its reverse (22121020200122), we get a palindrome (44221222212244).

The spelling of 22100202012122 in words is "twenty-two trillion, one hundred billion, two hundred two million, twelve thousand, one hundred twenty-two".