330121303433221 has 16 divisors (see below), whose sum is σ = 332862341454720. Its totient is φ = 327387716812800.

The previous prime is 330121303433189. The next prime is 330121303433263. The reversal of 330121303433221 is 122334303121033.

It is a cyclic number.

It is not a de Polignac number, because 330121303433221 - 2⁵ = 330121303433189 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 (330121303433281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 663774981 + ... + 664272133.

It is an arithmetic number, because the mean of its divisors is an integer number (20803896340920).

Almost surely, 2^{330121303433221} is an apocalyptic number.

It is an amenable number.

330121303433221 is a deficient number, since it is larger than the sum of its proper divisors (2741038021499).

330121303433221 is a wasteful number, since it uses less digits than its factorization.

330121303433221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504636.

The product of its (nonzero) digits is 23328, while the sum is 31.

Adding to 330121303433221 its reverse (122334303121033), we get a palindrome (452455606554254).

The spelling of 330121303433221 in words is "three hundred thirty trillion, one hundred twenty-one billion, three hundred three million, four hundred thirty-three thousand, two hundred twenty-one".