330233100221 has 2 divisors, whose sum is σ = 330233100222. Its totient is φ = 330233100220.

The previous prime is 330233100203. The next prime is 330233100229. The reversal of 330233100221 is 122001332033.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 204743580196 + 125489520025 = 452486^2 + 354245^2 .

It is a cyclic number.

It is not a de Polignac number, because 330233100221 - 2¹⁰ = 330233099197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 330233100193 and 330233100202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (330233100229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165116550110 + 165116550111.

It is an arithmetic number, because the mean of its divisors is an integer number (165116550111).

Almost surely, 2^330233100221 is an apocalyptic number.

It is an amenable number.

330233100221 is a deficient number, since it is larger than the sum of its proper divisors (1).

330233100221 is an equidigital number, since it uses as much as digits as its factorization.

330233100221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 330233100221 its reverse (122001332033), we get a palindrome (452234432254).

The spelling of 330233100221 in words is "three hundred thirty billion, two hundred thirty-three million, one hundred thousand, two hundred twenty-one".