123322011303221 has 4 divisors (see below), whose sum is σ = 130576247262252. Its totient is φ = 116067775344192.

The previous prime is 123322011303209. The next prime is 123322011303233. The reversal of 123322011303221 is 122303110223321.

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

It is an interprime number because it is at equal distance from previous prime (123322011303209) and next prime (123322011303233).

It can be written as a sum of positive squares in 2 ways, for example, as 45124954035121 + 78197057268100 = 6717511^2 + 8842910^2 .

It is a cyclic number.

It is not a de Polignac number, because 123322011303221 - 2¹⁰ = 123322011302197 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 (123322011303251) 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, 3627117979490 + ... + 3627117979523.

It is an arithmetic number, because the mean of its divisors is an integer number (32644061815563).

Almost surely, 2^{123322011303221} is an apocalyptic number.

It is an amenable number.

123322011303221 is a deficient number, since it is larger than the sum of its proper divisors (7254235959031).

123322011303221 is an equidigital number, since it uses as much as digits as its factorization.

123322011303221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7254235959030.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 123322011303221 its reverse (122303110223321), we get a palindrome (245625121526542).

The spelling of 123322011303221 in words is "one hundred twenty-three trillion, three hundred twenty-two billion, eleven million, three hundred three thousand, two hundred twenty-one".