2100103045 has 16 divisors (see below), whose sum is σ = 2550461760. Its totient is φ = 1659974400.

The previous prime is 2100103043. The next prime is 2100103081. The reversal of 2100103045 is 5403010012.

It is not a de Polignac number, because 2100103045 - 2¹ = 2100103043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100103043) 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, 139485 + ... + 153805.

It is an arithmetic number, because the mean of its divisors is an integer number (159403860).

Almost surely, 2^2100103045 is an apocalyptic number.

It is an amenable number.

2100103045 is a deficient number, since it is larger than the sum of its proper divisors (450358715).

2100103045 is a wasteful number, since it uses less digits than its factorization.

2100103045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14676.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 2100103045 is about 45826.8812488915. The cubic root of 2100103045 is about 1280.6001102449.

Adding to 2100103045 its reverse (5403010012), we get a palindrome (7503113057).

The spelling of 2100103045 in words is "two billion, one hundred million, one hundred three thousand, forty-five".