121303332112321 has 16 divisors (see below), whose sum is σ = 128107922519808. Its totient is φ = 114631270072000.

The previous prime is 121303332112309. The next prime is 121303332112351. The reversal of 121303332112321 is 123211233303121.

It is not a de Polignac number, because 121303332112321 - 2³⁵ = 121268972373953 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121303332112321.

It is not an unprimeable number, because it can be changed into a prime (121303332112351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55565101 + ... + 57706906.

It is an arithmetic number, because the mean of its divisors is an integer number (8006745157488).

Almost surely, 2^{121303332112321} is an apocalyptic number.

It is an amenable number.

121303332112321 is a deficient number, since it is larger than the sum of its proper divisors (6804590407487).

121303332112321 is a wasteful number, since it uses less digits than its factorization.

121303332112321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113272592.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 121303332112321 its reverse (123211233303121), we get a palindrome (244514565415442).

The spelling of 121303332112321 in words is "one hundred twenty-one trillion, three hundred three billion, three hundred thirty-two million, one hundred twelve thousand, three hundred twenty-one".