330244212421 has 2 divisors, whose sum is σ = 330244212422. Its totient is φ = 330244212420.

The previous prime is 330244212349. The next prime is 330244212443. The reversal of 330244212421 is 124212442033.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 273973730625 + 56270481796 = 523425^2 + 237214^2 .

It is an emirp because it is prime and its reverse (124212442033) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 330244212421 - 2²⁵ = 330210657989 is a prime.

It is a super-2 number, since 2×330244212421² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 330244212421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (330244212521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165122106210 + 165122106211.

It is an arithmetic number, because the mean of its divisors is an integer number (165122106211).

Almost surely, 2^330244212421 is an apocalyptic number.

It is an amenable number.

330244212421 is a deficient number, since it is larger than the sum of its proper divisors (1).

330244212421 is an equidigital number, since it uses as much as digits as its factorization.

330244212421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 330244212421 its reverse (124212442033), we get a palindrome (454456654454).

The spelling of 330244212421 in words is "three hundred thirty billion, two hundred forty-four million, two hundred twelve thousand, four hundred twenty-one".