101331320113123 has 4 divisors (see below), whose sum is σ = 101331343958128. Its totient is φ = 101331296268120.

The previous prime is 101331320113081. The next prime is 101331320113141. The reversal of 101331320113123 is 321311023133101.

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 101331320113123 - 2²⁹ = 101330783242211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101331320113193) 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, 3621711 + ... + 14689432.

It is an arithmetic number, because the mean of its divisors is an integer number (25332835989532).

Almost surely, 2^{101331320113123} is an apocalyptic number.

101331320113123 is a deficient number, since it is larger than the sum of its proper divisors (23845005).

101331320113123 is an equidigital number, since it uses as much as digits as its factorization.

101331320113123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23845004.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 101331320113123 its reverse (321311023133101), we get a palindrome (422642343246224).

The spelling of 101331320113123 in words is "one hundred one trillion, three hundred thirty-one billion, three hundred twenty million, one hundred thirteen thousand, one hundred twenty-three".