330121222120513 has 2 divisors, whose sum is σ = 330121222120514. Its totient is φ = 330121222120512.

The previous prime is 330121222120499. The next prime is 330121222120537. The reversal of 330121222120513 is 315021222121033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 326724676327729 + 3396545792784 = 18075527^2 + 1842972^2 .

It is a cyclic number.

It is not a de Polignac number, because 330121222120513 - 2²⁹ = 330120685249601 is a prime.

It is not a weakly prime, because it can be changed into another prime (330121222120213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165060611060256 + 165060611060257.

It is an arithmetic number, because the mean of its divisors is an integer number (165060611060257).

Almost surely, 2^{330121222120513} is an apocalyptic number.

It is an amenable number.

330121222120513 is a deficient number, since it is larger than the sum of its proper divisors (1).

330121222120513 is an equidigital number, since it uses as much as digits as its factorization.

330121222120513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 330121222120513 its reverse (315021222121033), we get a palindrome (645142444241546).

The spelling of 330121222120513 in words is "three hundred thirty trillion, one hundred twenty-one billion, two hundred twenty-two million, one hundred twenty thousand, five hundred thirteen".