11001100131 has 48 divisors (see below), whose sum is σ = 19188658944. Its totient is φ = 6167682144.

The previous prime is 11001100093. The next prime is 11001100139. The reversal of 11001100131 is 13100110011.

It is a de Polignac number, because none of the positive numbers 2^k-11001100131 is a prime.

It is a super-2 number, since 2×11001100131² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (11001100139) 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, 29140 + ... + 151166.

It is an arithmetic number, because the mean of its divisors is an integer number (399763728).

Almost surely, 2^11001100131 is an apocalyptic number.

11001100131 is a deficient number, since it is larger than the sum of its proper divisors (8187558813).

11001100131 is an equidigital number, since it uses as much as digits as its factorization.

11001100131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122102 (or 122090 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 9.

Adding to 11001100131 its reverse (13100110011), we get a palindrome (24101210142).

The spelling of 11001100131 in words is "eleven billion, one million, one hundred thousand, one hundred thirty-one".