330243033122221 has 16 divisors (see below), whose sum is σ = 331253543960640. Its totient is φ = 329233287398400.

The previous prime is 330243033122213. The next prime is 330243033122227. The reversal of 330243033122221 is 122221330342033.

It is a cyclic number.

It is not a de Polignac number, because 330243033122221 - 2³ = 330243033122213 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 (330243033122227) 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, 10020405075 + ... + 10020438031.

It is an arithmetic number, because the mean of its divisors is an integer number (20703346497540).

Almost surely, 2^{330243033122221} is an apocalyptic number.

It is an amenable number.

330243033122221 is a deficient number, since it is larger than the sum of its proper divisors (1010510838419).

330243033122221 is a wasteful number, since it uses less digits than its factorization.

330243033122221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43644.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 330243033122221 its reverse (122221330342033), we get a palindrome (452464363464254).

The spelling of 330243033122221 in words is "three hundred thirty trillion, two hundred forty-three billion, thirty-three million, one hundred twenty-two thousand, two hundred twenty-one".