20113000002103 has 16 divisors (see below), whose sum is σ = 21062986287552. Its totient is φ = 19169311392000.

The previous prime is 20113000002047. The next prime is 20113000002131. The reversal of 20113000002103 is 30120000031102.

It is a cyclic number.

It is not a de Polignac number, because 20113000002103 - 2²⁵ = 20112966447671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20113000002503) 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, 239224693 + ... + 239308753.

It is an arithmetic number, because the mean of its divisors is an integer number (1316436642972).

Almost surely, 2^{20113000002103} is an apocalyptic number.

20113000002103 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20113000002103 is a deficient number, since it is larger than the sum of its proper divisors (949986285449).

20113000002103 is a wasteful number, since it uses less digits than its factorization.

20113000002103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121386.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 20113000002103 its reverse (30120000031102), we get a palindrome (50233000033205).

The spelling of 20113000002103 in words is "twenty trillion, one hundred thirteen billion, two thousand, one hundred three".