11031110103123 has 80 divisors (see below), whose sum is σ = 18448723468032. Its totient is φ = 6512075352000.

The previous prime is 11031110103107. The next prime is 11031110103163. The reversal of 11031110103123 is 32130101113011.

It is not a de Polignac number, because 11031110103123 - 2⁴ = 11031110103107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11031110103096 and 11031110103105.

It is not an unprimeable number, because it can be changed into a prime (11031110103163) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 4612908 + ... + 6583398.

Almost surely, 2^{11031110103123} is an apocalyptic number.

11031110103123 is a deficient number, since it is larger than the sum of its proper divisors (7417613364909).

11031110103123 is a wasteful number, since it uses less digits than its factorization.

11031110103123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1970678 (or 1970669 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 11031110103123 its reverse (32130101113011), we get a palindrome (43161211216134).

The spelling of 11031110103123 in words is "eleven trillion, thirty-one billion, one hundred ten million, one hundred three thousand, one hundred twenty-three".