2100103103 has 12 divisors (see below), whose sum is σ = 2443754160. Its totient is φ = 1799515872.

The previous prime is 2100103087. The next prime is 2100103139. The reversal of 2100103103 is 3013010012.

It is not a de Polignac number, because 2100103103 - 2⁴ = 2100103087 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 (2100153103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 236675 + ... + 245387.

It is an arithmetic number, because the mean of its divisors is an integer number (203646180).

Almost surely, 2^2100103103 is an apocalyptic number.

2100103103 is a deficient number, since it is larger than the sum of its proper divisors (343651057).

2100103103 is an equidigital number, since it uses as much as digits as its factorization.

2100103103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13646 (or 13639 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 2100103103 is about 45826.8818817078. The cubic root of 2100103103 is about 1280.6001220340.

Adding to 2100103103 its reverse (3013010012), we get a palindrome (5113113115).

The spelling of 2100103103 in words is "two billion, one hundred million, one hundred three thousand, one hundred three".