22131131201 has 4 divisors (see below), whose sum is σ = 23295927600. Its totient is φ = 20966334804.

The previous prime is 22131131177. The next prime is 22131131237. The reversal of 22131131201 is 10213113122.

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 a cyclic number.

It is not a de Polignac number, because 22131131201 - 2³⁰ = 21057389377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22131131201.

It is not an unprimeable number, because it can be changed into a prime (22131131801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 582398171 + ... + 582398208.

It is an arithmetic number, because the mean of its divisors is an integer number (5823981900).

Almost surely, 2^22131131201 is an apocalyptic number.

It is an amenable number.

22131131201 is a deficient number, since it is larger than the sum of its proper divisors (1164796399).

22131131201 is a wasteful number, since it uses less digits than its factorization.

22131131201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164796398.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 22131131201 its reverse (10213113122), we get a palindrome (32344244323).

The spelling of 22131131201 in words is "twenty-two billion, one hundred thirty-one million, one hundred thirty-one thousand, two hundred one".