330313213012121 has 4 divisors (see below), whose sum is σ = 349743402012852. Its totient is φ = 310883024011392.

The previous prime is 330313213012091. The next prime is 330313213012169. The reversal of 330313213012121 is 121210312313033.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 253287384150025 + 77025828862096 = 15915005^2 + 8776436^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-330313213012121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (330313213012021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9715094500340 + ... + 9715094500373.

It is an arithmetic number, because the mean of its divisors is an integer number (87435850503213).

Almost surely, 2^{330313213012121} is an apocalyptic number.

It is an amenable number.

330313213012121 is a deficient number, since it is larger than the sum of its proper divisors (19430189000731).

330313213012121 is a wasteful number, since it uses less digits than its factorization.

330313213012121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19430189000730.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 330313213012121 its reverse (121210312313033), we get a palindrome (451523525325154).

The spelling of 330313213012121 in words is "three hundred thirty trillion, three hundred thirteen billion, two hundred thirteen million, twelve thousand, one hundred twenty-one".