121333020221321 has 8 divisors (see below), whose sum is σ = 121721097686880. Its totient is φ = 120944945508192.

The previous prime is 121333020221227. The next prime is 121333020221359. The reversal of 121333020221321 is 123122020333121.

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 121333020221321 - 2²⁶ = 121332953112457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121333020221521) 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, 123245810 + ... + 124226388.

It is an arithmetic number, because the mean of its divisors is an integer number (15215137210860).

Almost surely, 2^{121333020221321} is an apocalyptic number.

It is an amenable number.

121333020221321 is a deficient number, since it is larger than the sum of its proper divisors (388077465559).

121333020221321 is an equidigital number, since it uses as much as digits as its factorization.

121333020221321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376215.

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

Adding to 121333020221321 its reverse (123122020333121), we get a palindrome (244455040554442).

The spelling of 121333020221321 in words is "one hundred twenty-one trillion, three hundred thirty-three billion, twenty million, two hundred twenty-one thousand, three hundred twenty-one".