22131230012311 has 16 divisors (see below), whose sum is σ = 25726717716480. Its totient is φ = 18644342945760.

The previous prime is 22131230012303. The next prime is 22131230012321. The reversal of 22131230012311 is 11321003213122.

It is not a de Polignac number, because 22131230012311 - 2³ = 22131230012303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22131230012321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3357895 + ... + 7452376.

It is an arithmetic number, because the mean of its divisors is an integer number (1607919857280).

Almost surely, 2^{22131230012311} is an apocalyptic number.

22131230012311 is a deficient number, since it is larger than the sum of its proper divisors (3595487704169).

22131230012311 is a wasteful number, since it uses less digits than its factorization.

22131230012311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10815294.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 22131230012311 its reverse (11321003213122), we get a palindrome (33452233225433).

The spelling of 22131230012311 in words is "twenty-two trillion, one hundred thirty-one billion, two hundred thirty million, twelve thousand, three hundred eleven".