330331021222121 has 8 divisors (see below), whose sum is σ = 332457251063880. Its totient is φ = 328205072527488.

The previous prime is 330331021222117. The next prime is 330331021222171. The reversal of 330331021222121 is 121222120133033.

It can be written as a sum of positive squares in 4 ways, for example, as 27294674521 + 330303726547600 = 165211^2 + 18174260^2 .

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 330331021222121 - 2² = 330331021222117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (330331021222171) 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, 67929086 + ... + 72629351.

It is an arithmetic number, because the mean of its divisors is an integer number (41557156382985).

Almost surely, 2^{330331021222121} is an apocalyptic number.

It is an amenable number.

330331021222121 is a deficient number, since it is larger than the sum of its proper divisors (2126229841759).

330331021222121 is a wasteful number, since it uses less digits than its factorization.

330331021222121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140573563.

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

Adding to 330331021222121 its reverse (121222120133033), we get a palindrome (451553141355154).

The spelling of 330331021222121 in words is "three hundred thirty trillion, three hundred thirty-one billion, twenty-one million, two hundred twenty-two thousand, one hundred twenty-one".