22131244213122 has 64 divisors (see below), whose sum is σ = 48641604710400. Its totient is φ = 6657253257600.

The previous prime is 22131244213087. The next prime is 22131244213151.

22131244213122 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 22131244213122.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3705958 + ... + 7615550.

It is an arithmetic number, because the mean of its divisors is an integer number (760025073600).

Almost surely, 2^{22131244213122} is an apocalyptic number.

22131244213122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22131244213122 is an abundant number, since it is smaller than the sum of its proper divisors (26510360497278).

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

22131244213122 is a wasteful number, since it uses less digits than its factorization.

22131244213122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3910239.

The product of its digits is 9216, while the sum is 30.

It can be divided in two parts, 2213124 and 4213122, that added together give a palindrome (6426246).

The spelling of 22131244213122 in words is "twenty-two trillion, one hundred thirty-one billion, two hundred forty-four million, two hundred thirteen thousand, one hundred twenty-two".