330213331221 has 16 divisors (see below), whose sum is σ = 441472479936. Its totient is φ = 219548923776.

The previous prime is 330213331181. The next prime is 330213331291. The reversal of 330213331221 is 122133312033.

It is a de Polignac number, because none of the positive numbers 2^k-330213331221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 330213331191 and 330213331200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330213331291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1756641 + ... + 1935513.

It is an arithmetic number, because the mean of its divisors is an integer number (27592029996).

Almost surely, 2^330213331221 is an apocalyptic number.

It is an amenable number.

330213331221 is a deficient number, since it is larger than the sum of its proper divisors (111259148715).

330213331221 is a wasteful number, since it uses less digits than its factorization.

330213331221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180532.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 330213331221 its reverse (122133312033), we get a palindrome (452346643254).

The spelling of 330213331221 in words is "three hundred thirty billion, two hundred thirteen million, three hundred thirty-one thousand, two hundred twenty-one".