121321022130221 has 8 divisors (see below), whose sum is σ = 121777606771200. Its totient is φ = 120864502972080.

The previous prime is 121321022130169. The next prime is 121321022130281. The reversal of 121321022130221 is 122031220123121.

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 121321022130221 - 2⁶ = 121321022130157 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 (121321022130281) 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, 12656726 + ... + 20070743.

It is an arithmetic number, because the mean of its divisors is an integer number (15222200846400).

Almost surely, 2^{121321022130221} is an apocalyptic number.

It is an amenable number.

121321022130221 is a deficient number, since it is larger than the sum of its proper divisors (456584640979).

121321022130221 is a wasteful number, since it uses less digits than its factorization.

121321022130221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32741419.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 121321022130221 its reverse (122031220123121), we get a palindrome (243352242253342).

The spelling of 121321022130221 in words is "one hundred twenty-one trillion, three hundred twenty-one billion, twenty-two million, one hundred thirty thousand, two hundred twenty-one".