330220321221 has 48 divisors (see below), whose sum is σ = 519048540864. Its totient is φ = 186172390656.

The previous prime is 330220321213. The next prime is 330220321253. The reversal of 330220321221 is 122123022033.

It is a happy number.

It is not a de Polignac number, because 330220321221 - 2³ = 330220321213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330220321721) 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 47 ways as a sum of consecutive naturals, for example, 9218281 + ... + 9254033.

It is an arithmetic number, because the mean of its divisors is an integer number (10813511268).

Almost surely, 2^330220321221 is an apocalyptic number.

It is an amenable number.

330220321221 is a deficient number, since it is larger than the sum of its proper divisors (188828219643).

330220321221 is a wasteful number, since it uses less digits than its factorization.

330220321221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36610 (or 36603 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 330220321221 its reverse (122123022033), we get a palindrome (452343343254).

The spelling of 330220321221 in words is "three hundred thirty billion, two hundred twenty million, three hundred twenty-one thousand, two hundred twenty-one".