22131001312113 has 4 divisors (see below), whose sum is σ = 29508001749488. Its totient is φ = 14754000874740.

The previous prime is 22131001312109. The next prime is 22131001312153. The reversal of 22131001312113 is 31121310013122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 22131001312113 - 2² = 22131001312109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22131001312113.

It is not an unprimeable number, because it can be changed into a prime (22131001312153) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3688500218683 + ... + 3688500218688.

It is an arithmetic number, because the mean of its divisors is an integer number (7377000437372).

Almost surely, 2^{22131001312113} is an apocalyptic number.

It is an amenable number.

22131001312113 is a deficient number, since it is larger than the sum of its proper divisors (7377000437375).

22131001312113 is an equidigital number, since it uses as much as digits as its factorization.

22131001312113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7377000437374.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 22131001312113 its reverse (31121310013122), we get a palindrome (53252311325235).

The spelling of 22131001312113 in words is "twenty-two trillion, one hundred thirty-one billion, one million, three hundred twelve thousand, one hundred thirteen".