11002113131 has 2 divisors, whose sum is σ = 11002113132. Its totient is φ = 11002113130.

The previous prime is 11002113121. The next prime is 11002113137. The reversal of 11002113131 is 13131120011.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11002113131 - 2¹⁴ = 11002096747 is a prime.

It is a super-2 number, since 2×11002113131² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11002113137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5501056565 + 5501056566.

It is an arithmetic number, because the mean of its divisors is an integer number (5501056566).

Almost surely, 2^11002113131 is an apocalyptic number.

11002113131 is a deficient number, since it is larger than the sum of its proper divisors (1).

11002113131 is an equidigital number, since it uses as much as digits as its factorization.

11002113131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 11002113131 its reverse (13131120011), we get a palindrome (24133233142).

The spelling of 11002113131 in words is "eleven billion, two million, one hundred thirteen thousand, one hundred thirty-one".