22131330201 has 12 divisors (see below), whose sum is σ = 33847917012. Its totient is φ = 13886324736.

The previous prime is 22131330173. The next prime is 22131330209. The reversal of 22131330201 is 10203313122.

22131330201 is a `hidden beast` number, since 2 + 2 + 131 + 330 + 201 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 14816975625 + 7314354576 = 121725^2 + 85524^2 .

It is not a de Polignac number, because 22131330201 - 2¹⁰ = 22131329177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22131330209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72324456 + ... + 72324761.

It is an arithmetic number, because the mean of its divisors is an integer number (2820659751).

Almost surely, 2^22131330201 is an apocalyptic number.

It is an amenable number.

22131330201 is a deficient number, since it is larger than the sum of its proper divisors (11716586811).

22131330201 is a wasteful number, since it uses less digits than its factorization.

22131330201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144649240 (or 144649237 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 22131330201 its reverse (10203313122), we get a palindrome (32334643323).

The spelling of 22131330201 in words is "twenty-two billion, one hundred thirty-one million, three hundred thirty thousand, two hundred one".