11002111123131 has 32 divisors (see below), whose sum is σ = 17258949227520. Its totient is φ = 6902991130752.

The previous prime is 11002111123111. The next prime is 11002111123177. The reversal of 11002111123131 is 13132111120011.

11002111123131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11002111123131 - 2³⁰ = 11001037381307 is a prime.

It is a super-2 number, since 2×11002111123131² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11002111123111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10527666 + ... + 11525448.

It is an arithmetic number, because the mean of its divisors is an integer number (539342163360).

Almost surely, 2^{11002111123131} is an apocalyptic number.

11002111123131 is a deficient number, since it is larger than the sum of its proper divisors (6256838104389).

11002111123131 is a wasteful number, since it uses less digits than its factorization.

11002111123131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021832 (or 1021826 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 11002111123131 its reverse (13132111120011), we get a palindrome (24134222243142).

The spelling of 11002111123131 in words is "eleven trillion, two billion, one hundred eleven million, one hundred twenty-three thousand, one hundred thirty-one".