11002133131 has 4 divisors (see below), whose sum is σ = 12002327064. Its totient is φ = 10001939200.

The previous prime is 11002133041. The next prime is 11002133167. The reversal of 11002133131 is 13133120011.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11002133131 - 2⁷ = 11002133003 is a prime.

It is a super-2 number, since 2×11002133131² (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 (11002133171) 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, 500096950 + ... + 500096971.

It is an arithmetic number, because the mean of its divisors is an integer number (3000581766).

Almost surely, 2^11002133131 is an apocalyptic number.

11002133131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11002133131 is a deficient number, since it is larger than the sum of its proper divisors (1000193933).

11002133131 is a wasteful number, since it uses less digits than its factorization.

11002133131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000193932.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 11002133131 its reverse (13133120011), we get a palindrome (24135253142).

The spelling of 11002133131 in words is "eleven billion, two million, one hundred thirty-three thousand, one hundred thirty-one".