11202133131 has 48 divisors (see below), whose sum is σ = 18729494784. Its totient is φ = 6319570752.

The previous prime is 11202133127. The next prime is 11202133157. The reversal of 11202133131 is 13133120211.

It is not a de Polignac number, because 11202133131 - 2² = 11202133127 is a prime.

It is a super-2 number, since 2×11202133131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11202133121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2066781 + ... + 2072193.

It is an arithmetic number, because the mean of its divisors is an integer number (390197808).

Almost surely, 2^11202133131 is an apocalyptic number.

11202133131 is a deficient number, since it is larger than the sum of its proper divisors (7527361653).

11202133131 is a wasteful number, since it uses less digits than its factorization.

11202133131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5840 (or 5837 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 11202133131 its reverse (13133120211), we get a palindrome (24335253342).

The spelling of 11202133131 in words is "eleven billion, two hundred two million, one hundred thirty-three thousand, one hundred thirty-one".