212110102103 has 4 divisors (see below), whose sum is σ = 212112231240. Its totient is φ = 212107972968.

The previous prime is 212110102097. The next prime is 212110102181. The reversal of 212110102103 is 301201011212.

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 212110102103 - 2³⁰ = 211036360279 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 (212110102003) 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, 907400 + ... + 1116957.

It is an arithmetic number, because the mean of its divisors is an integer number (53028057810).

Almost surely, 2^212110102103 is an apocalyptic number.

212110102103 is a deficient number, since it is larger than the sum of its proper divisors (2129137).

212110102103 is a wasteful number, since it uses less digits than its factorization.

212110102103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2129136.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 212110102103 its reverse (301201011212), we get a palindrome (513311113315).

The spelling of 212110102103 in words is "two hundred twelve billion, one hundred ten million, one hundred two thousand, one hundred three".