22121210102122 has 32 divisors (see below), whose sum is σ = 35964464071680. Its totient is φ = 10164852752640.

The previous prime is 22121210102111. The next prime is 22121210102183. The reversal of 22121210102122 is 22120101212122.

It is a self number, because there is not a number n which added to its sum of digits gives 22121210102122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15370497 + ... + 16747972.

It is an arithmetic number, because the mean of its divisors is an integer number (1123889502240).

Almost surely, 2^{22121210102122} is an apocalyptic number.

22121210102122 is a deficient number, since it is larger than the sum of its proper divisors (13843253969558).

22121210102122 is a wasteful number, since it uses less digits than its factorization.

22121210102122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32118966.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22121210102122 its reverse (22120101212122), we get a palindrome (44241311314244).

Subtracting from 22121210102122 its reverse (22120101212122), we obtain a square (1108890000 = 33300²).

The spelling of 22121210102122 in words is "twenty-two trillion, one hundred twenty-one billion, two hundred ten million, one hundred two thousand, one hundred twenty-two".