22131203122 has 16 divisors (see below), whose sum is σ = 38864552832. Its totient is φ = 9253464480.

The previous prime is 22131203119. The next prime is 22131203141. The reversal of 22131203122 is 22130213122.

It is a self number, because there is not a number n which added to its sum of digits gives 22131203122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19277478 + ... + 19278625.

It is an arithmetic number, because the mean of its divisors is an integer number (2429034552).

Almost surely, 2^22131203122 is an apocalyptic number.

22131203122 is a deficient number, since it is larger than the sum of its proper divisors (16733349710).

22131203122 is a wasteful number, since it uses less digits than its factorization.

22131203122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38556153.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22131203122 its reverse (22130213122), we get a palindrome (44261416244).

The spelling of 22131203122 in words is "twenty-two billion, one hundred thirty-one million, two hundred three thousand, one hundred twenty-two".