2100103111 has 4 divisors (see below), whose sum is σ = 2139727752. Its totient is φ = 2060478472.

The previous prime is 2100103087. The next prime is 2100103139. The reversal of 2100103111 is 1113010012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2100103111 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 (2100101111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19812241 + ... + 19812346.

It is an arithmetic number, because the mean of its divisors is an integer number (534931938).

Almost surely, 2^2100103111 is an apocalyptic number.

2100103111 is a deficient number, since it is larger than the sum of its proper divisors (39624641).

2100103111 is an equidigital number, since it uses as much as digits as its factorization.

2100103111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39624640.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 2100103111 is about 45826.8819689928. The cubic root of 2100103111 is about 1280.6001236601.

Adding to 2100103111 its reverse (1113010012), we get a palindrome (3213113123).

The spelling of 2100103111 in words is "two billion, one hundred million, one hundred three thousand, one hundred eleven".