123331222133321 has 4 divisors (see below), whose sum is σ = 125353045447044. Its totient is φ = 121309398819600.

The previous prime is 123331222133291. The next prime is 123331222133323.

123331222133321 is nontrivially palindromic in base 10.

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 5055504918025 + 118275717215296 = 2248445^2 + 10875464^2 .

It is a cyclic number.

It is not a de Polignac number, because 123331222133321 - 2¹⁰ = 123331222132297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123331222133323) 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, 1010911656770 + ... + 1010911656891.

It is an arithmetic number, because the mean of its divisors is an integer number (31338261361761).

Almost surely, 2^{123331222133321} is an apocalyptic number.

It is an amenable number.

123331222133321 is a deficient number, since it is larger than the sum of its proper divisors (2021823313723).

123331222133321 is an equidigital number, since it uses as much as digits as its factorization.

123331222133321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021823313722.

The product of its digits is 23328, while the sum is 32.

The spelling of 123331222133321 in words is "one hundred twenty-three trillion, three hundred thirty-one billion, two hundred twenty-two million, one hundred thirty-three thousand, three hundred twenty-one".