2100102103 has 4 divisors (see below), whose sum is σ = 2291020488. Its totient is φ = 1909183720.

The previous prime is 2100102071. The next prime is 2100102107. The reversal of 2100102103 is 3012010012.

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

It is a cyclic number.

It is not a de Polignac number, because 2100102103 - 2⁵ = 2100102071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2100102103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100102107) 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, 95459176 + ... + 95459197.

It is an arithmetic number, because the mean of its divisors is an integer number (572755122).

Almost surely, 2^2100102103 is an apocalyptic number.

2100102103 is a deficient number, since it is larger than the sum of its proper divisors (190918385).

2100102103 is a wasteful number, since it uses less digits than its factorization.

2100102103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190918384.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 2100102103 is about 45826.8709710798. The cubic root of 2100102103 is about 1280.5999187741.

Adding to 2100102103 its reverse (3012010012), we get a palindrome (5112112115).

The spelling of 2100102103 in words is "two billion, one hundred million, one hundred two thousand, one hundred three".