22211133131 has 32 divisors (see below), whose sum is σ = 26062041600. Its totient is φ = 18704089600.

The previous prime is 22211133127. The next prime is 22211133137. The reversal of 22211133131 is 13133111222.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22211133131 - 2² = 22211133127 is a prime.

It is a super-2 number, since 2×22211133131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22211133137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10580720 + ... + 10582818.

It is an arithmetic number, because the mean of its divisors is an integer number (814438800).

Almost surely, 2^22211133131 is an apocalyptic number.

22211133131 is a deficient number, since it is larger than the sum of its proper divisors (3850908469).

22211133131 is a wasteful number, since it uses less digits than its factorization.

22211133131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2995.

The product of its digits is 216, while the sum is 20.

Adding to 22211133131 its reverse (13133111222), we get a palindrome (35344244353).

The spelling of 22211133131 in words is "twenty-two billion, two hundred eleven million, one hundred thirty-three thousand, one hundred thirty-one".