330330230021221 has 8 divisors (see below), whose sum is σ = 336642991040664. Its totient is φ = 324020436230400.

The previous prime is 330330230021147. The next prime is 330330230021237. The reversal of 330330230021221 is 122120032033033.

It can be written as a sum of positive squares in 4 ways, for example, as 3953993056225 + 326376236964996 = 1988465^2 + 18065886^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 330330230021221 - 2¹⁷ = 330330229890149 is a prime.

It is a super-2 number, since 2×330330230021221² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330330230021261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 741582376 + ... + 742027681.

It is an arithmetic number, because the mean of its divisors is an integer number (42080373880083).

Almost surely, 2^{330330230021221} is an apocalyptic number.

It is an amenable number.

330330230021221 is a deficient number, since it is larger than the sum of its proper divisors (6312761019443).

330330230021221 is a wasteful number, since it uses less digits than its factorization.

330330230021221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1483614311.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 330330230021221 its reverse (122120032033033), we get a palindrome (452450262054254).

The spelling of 330330230021221 in words is "three hundred thirty trillion, three hundred thirty billion, two hundred thirty million, twenty-one thousand, two hundred twenty-one".