102211310123 has 16 divisors (see below), whose sum is σ = 111128371200. Its totient is φ = 93445327776.

The previous prime is 102211310111. The next prime is 102211310167. The reversal of 102211310123 is 321013112201.

It is a cyclic number.

It is not a de Polignac number, because 102211310123 - 2²⁰ = 102210261547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102211318123) 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, 11745428 + ... + 11754126.

It is an arithmetic number, because the mean of its divisors is an integer number (6945523200).

Almost surely, 2^102211310123 is an apocalyptic number.

102211310123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

102211310123 is a deficient number, since it is larger than the sum of its proper divisors (8917061077).

102211310123 is a wasteful number, since it uses less digits than its factorization.

102211310123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17266.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 102211310123 its reverse (321013112201), we get a palindrome (423224422324).

The spelling of 102211310123 in words is "one hundred two billion, two hundred eleven million, three hundred ten thousand, one hundred twenty-three".