330442233341021 has 4 divisors (see below), whose sum is σ = 330568500914652. Its totient is φ = 330315965767392.

The previous prime is 330442233341009. The next prime is 330442233341041. The reversal of 330442233341021 is 120143332244033.

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 309095569480996 + 21346663860025 = 17581114^2 + 4620245^2 .

It is a cyclic number.

It is not a de Polignac number, because 330442233341021 - 2¹⁰ = 330442233339997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330442233341041) 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, 63133782890 + ... + 63133788123.

It is an arithmetic number, because the mean of its divisors is an integer number (82642125228663).

Almost surely, 2^{330442233341021} is an apocalyptic number.

It is an amenable number.

330442233341021 is a deficient number, since it is larger than the sum of its proper divisors (126267573631).

330442233341021 is a wasteful number, since it uses less digits than its factorization.

330442233341021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126267573630.

The product of its (nonzero) digits is 124416, while the sum is 35.

Adding to 330442233341021 its reverse (120143332244033), we get a palindrome (450585565585054).

The spelling of 330442233341021 in words is "three hundred thirty trillion, four hundred forty-two billion, two hundred thirty-three million, three hundred forty-one thousand, twenty-one".