123331101113201 has 4 divisors (see below), whose sum is σ = 125020568251812. Its totient is φ = 121641633974592.

The previous prime is 123331101113191. The next prime is 123331101113203. The reversal of 123331101113201 is 102311101133321.

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

It can be written as a sum of positive squares in 2 ways, for example, as 97087047932176 + 26244053181025 = 9853276^2 + 5122895^2 .

It is a cyclic number.

It is not a de Polignac number, because 123331101113201 - 2⁶ = 123331101113137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123331101113203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 844733569196 + ... + 844733569341.

It is an arithmetic number, because the mean of its divisors is an integer number (31255142062953).

Almost surely, 2^{123331101113201} is an apocalyptic number.

It is an amenable number.

123331101113201 is a deficient number, since it is larger than the sum of its proper divisors (1689467138611).

123331101113201 is an equidigital number, since it uses as much as digits as its factorization.

123331101113201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1689467138610.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 123331101113201 its reverse (102311101133321), we get a palindrome (225642202246522).

The spelling of 123331101113201 in words is "one hundred twenty-three trillion, three hundred thirty-one billion, one hundred one million, one hundred thirteen thousand, two hundred one".