20113011203103 has 96 divisors (see below), whose sum is σ = 37320586168320. Its totient is φ = 10145215491840.

The previous prime is 20113011203099. The next prime is 20113011203177. The reversal of 20113011203103 is 30130211031102.

20113011203103 is a `hidden beast` number, since 20 + 11 + 301 + 1 + 20 + 310 + 3 = 666.

It is not a de Polignac number, because 20113011203103 - 2² = 20113011203099 is a prime.

It is a super-2 number, since 2×20113011203103² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20113011202103) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 75006958 + ... + 75274628.

It is an arithmetic number, because the mean of its divisors is an integer number (388756105920).

Almost surely, 2^{20113011203103} is an apocalyptic number.

20113011203103 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20113011203103 is a deficient number, since it is larger than the sum of its proper divisors (17207574965217).

20113011203103 is a wasteful number, since it uses less digits than its factorization.

20113011203103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271709 (or 271706 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 20113011203103 its reverse (30130211031102), we get a palindrome (50243222234205).

The spelling of 20113011203103 in words is "twenty trillion, one hundred thirteen billion, eleven million, two hundred three thousand, one hundred three".