102320112103 has 4 divisors (see below), whose sum is σ = 111621940488. Its totient is φ = 93018283720.

The previous prime is 102320112073. The next prime is 102320112137. The reversal of 102320112103 is 301211023201.

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 102320112103 - 2²¹ = 102318014951 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 (102320112203) 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, 4650914176 + ... + 4650914197.

It is an arithmetic number, because the mean of its divisors is an integer number (27905485122).

Almost surely, 2^102320112103 is an apocalyptic number.

102320112103 is a deficient number, since it is larger than the sum of its proper divisors (9301828385).

102320112103 is an equidigital number, since it uses as much as digits as its factorization.

102320112103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9301828384.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 102320112103 its reverse (301211023201), we get a palindrome (403531135304).

The spelling of 102320112103 in words is "one hundred two billion, three hundred twenty million, one hundred twelve thousand, one hundred three".