330220214921 has 2 divisors, whose sum is σ = 330220214922. Its totient is φ = 330220214920.

The previous prime is 330220214917. The next prime is 330220214963. The reversal of 330220214921 is 129412022033.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 285648560521 + 44571654400 = 534461^2 + 211120^2 .

It is a cyclic number.

It is not a de Polignac number, because 330220214921 - 2² = 330220214917 is a prime.

It is not a weakly prime, because it can be changed into another prime (330220214911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165110107460 + 165110107461.

It is an arithmetic number, because the mean of its divisors is an integer number (165110107461).

Almost surely, 2^330220214921 is an apocalyptic number.

It is an amenable number.

330220214921 is a deficient number, since it is larger than the sum of its proper divisors (1).

330220214921 is an equidigital number, since it uses as much as digits as its factorization.

330220214921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 330220214921 its reverse (129412022033), we get a palindrome (459632236954).

The spelling of 330220214921 in words is "three hundred thirty billion, two hundred twenty million, two hundred fourteen thousand, nine hundred twenty-one".