22131222212130 has 64 divisors (see below), whose sum is σ = 53164717020288. Its totient is φ = 5896130204160.

The previous prime is 22131222212111. The next prime is 22131222212173. The reversal of 22131222212130 is 3121222213122.

It is a self number, because there is not a number n which added to its sum of digits gives 22131222212130.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147603400 + ... + 147753260.

It is an arithmetic number, because the mean of its divisors is an integer number (830698703442).

Almost surely, 2^{22131222212130} is an apocalyptic number.

22131222212130 is an abundant number, since it is smaller than the sum of its proper divisors (31033494808158).

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

22131222212130 is a wasteful number, since it uses less digits than its factorization.

22131222212130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154451.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 22131222212130 its reverse (3121222213122), we get a palindrome (25252444425252).

The spelling of 22131222212130 in words is "twenty-two trillion, one hundred thirty-one billion, two hundred twenty-two million, two hundred twelve thousand, one hundred thirty".