22131311324210 has 32 divisors (see below), whose sum is σ = 43458722342784. Its totient is φ = 8047587600000.

The previous prime is 22131311324203. The next prime is 22131311324233. The reversal of 22131311324210 is 1242311313122.

It is a self number, because there is not a number n which added to its sum of digits gives 22131311324210.

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 15 ways as a sum of consecutive naturals, for example, 3534710 + ... + 7533710.

It is an arithmetic number, because the mean of its divisors is an integer number (1358085073212).

Almost surely, 2^{22131311324210} is an apocalyptic number.

22131311324210 is a deficient number, since it is larger than the sum of its proper divisors (21327411018574).

22131311324210 is a wasteful number, since it uses less digits than its factorization.

22131311324210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4049330.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 22131311324210 its reverse (1242311313122), we get a palindrome (23373622637332).

The spelling of 22131311324210 in words is "twenty-two trillion, one hundred thirty-one billion, three hundred eleven million, three hundred twenty-four thousand, two hundred ten".