330302031220121 has 4 divisors (see below), whose sum is σ = 330303590806452. Its totient is φ = 330300471633792.

The previous prime is 330302031220087. The next prime is 330302031220159. The reversal of 330302031220121 is 121022130203033.

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 160509768870025 + 169792262350096 = 12669245^2 + 13030436^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-330302031220121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (330302031220621) 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, 779475440 + ... + 779899073.

It is an arithmetic number, because the mean of its divisors is an integer number (82575897701613).

Almost surely, 2^{330302031220121} is an apocalyptic number.

It is an amenable number.

330302031220121 is a deficient number, since it is larger than the sum of its proper divisors (1559586331).

330302031220121 is a wasteful number, since it uses less digits than its factorization.

330302031220121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559586330.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 330302031220121 its reverse (121022130203033), we get a palindrome (451324161423154).

The spelling of 330302031220121 in words is "three hundred thirty trillion, three hundred two billion, thirty-one million, two hundred twenty thousand, one hundred twenty-one".