330030322331221 has 2 divisors, whose sum is σ = 330030322331222. Its totient is φ = 330030322331220.

The previous prime is 330030322331183. The next prime is 330030322331239. The reversal of 330030322331221 is 122133223030033.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 315453618308196 + 14576704023025 = 17761014^2 + 3817945^2 .

It is an emirp because it is prime and its reverse (122133223030033) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 330030322331221 - 2¹³ = 330030322323029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 330030322331221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (330030322331261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165015161165610 + 165015161165611.

It is an arithmetic number, because the mean of its divisors is an integer number (165015161165611).

Almost surely, 2^{330030322331221} is an apocalyptic number.

It is an amenable number.

330030322331221 is a deficient number, since it is larger than the sum of its proper divisors (1).

330030322331221 is an equidigital number, since it uses as much as digits as its factorization.

330030322331221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 330030322331221 its reverse (122133223030033), we get a palindrome (452163545361254).

The spelling of 330030322331221 in words is "three hundred thirty trillion, thirty billion, three hundred twenty-two million, three hundred thirty-one thousand, two hundred twenty-one".