11100103131 has 16 divisors (see below), whose sum is σ = 16876175904. Its totient is φ = 6429018624.

The previous prime is 11100103121. The next prime is 11100103139. The reversal of 11100103131 is 13130100111.

It is not a de Polignac number, because 11100103131 - 2⁵ = 11100103099 is a prime.

It is a super-2 number, since 2×11100103131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11100103139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8370456 + ... + 8371781.

It is an arithmetic number, because the mean of its divisors is an integer number (1054760994).

Almost surely, 2^11100103131 is an apocalyptic number.

11100103131 is a deficient number, since it is larger than the sum of its proper divisors (5776072773).

11100103131 is a wasteful number, since it uses less digits than its factorization.

11100103131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16742270.

The product of its (nonzero) digits is 9, while the sum is 12.

Adding to 11100103131 its reverse (13130100111), we get a palindrome (24230203242).

The spelling of 11100103131 in words is "eleven billion, one hundred million, one hundred three thousand, one hundred thirty-one".