11522204131 has 4 divisors (see below), whose sum is σ = 12023169552. Its totient is φ = 11021238712.

The previous prime is 11522204123. The next prime is 11522204179. The reversal of 11522204131 is 13140222511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13140222511 = 13 ⋅1010786347.

It is a cyclic number.

It is not a de Polignac number, because 11522204131 - 2³ = 11522204123 is a prime.

It is a super-2 number, since 2×11522204131² (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 (11522274131) 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, 250482676 + ... + 250482721.

It is an arithmetic number, because the mean of its divisors is an integer number (3005792388).

Almost surely, 2^11522204131 is an apocalyptic number.

11522204131 is a deficient number, since it is larger than the sum of its proper divisors (500965421).

11522204131 is an equidigital number, since it uses as much as digits as its factorization.

11522204131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500965420.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 11522204131 its reverse (13140222511), we get a palindrome (24662426642).

The spelling of 11522204131 in words is "eleven billion, five hundred twenty-two million, two hundred four thousand, one hundred thirty-one".