123221103330121 has 8 divisors (see below), whose sum is σ = 124726524852384. Its totient is φ = 121716177758400.

The previous prime is 123221103330107. The next prime is 123221103330133. The reversal of 123221103330121 is 121033301122321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123221103330121 - 2²⁵ = 123221069775689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123221103331121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123487680 + ... + 124481521.

It is an arithmetic number, because the mean of its divisors is an integer number (15590815606548).

Almost surely, 2^{123221103330121} is an apocalyptic number.

It is an amenable number.

123221103330121 is a deficient number, since it is larger than the sum of its proper divisors (1505421522263).

123221103330121 is an equidigital number, since it uses as much as digits as its factorization.

123221103330121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247975271.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 123221103330121 its reverse (121033301122321), we get a palindrome (244254404452442).

The spelling of 123221103330121 in words is "one hundred twenty-three trillion, two hundred twenty-one billion, one hundred three million, three hundred thirty thousand, one hundred twenty-one".