3303331213221 has 96 divisors (see below), whose sum is σ = 5496305068800. Its totient is φ = 1895768202240.

The previous prime is 3303331213213. The next prime is 3303331213261. The reversal of 3303331213221 is 1223121333033.

3303331213221 is a `hidden beast` number, since 3 + 3 + 0 + 3 + 331 + 2 + 1 + 322 + 1 = 666.

It is not a de Polignac number, because 3303331213221 - 2³ = 3303331213213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3303331213261) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 184133470 + ... + 184151408.

It is an arithmetic number, because the mean of its divisors is an integer number (57253177800).

Almost surely, 2^{3303331213221} is an apocalyptic number.

It is an amenable number.

3303331213221 is a deficient number, since it is larger than the sum of its proper divisors (2192973855579).

3303331213221 is a wasteful number, since it uses less digits than its factorization.

3303331213221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19691 (or 19688 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 3303331213221 its reverse (1223121333033), we get a palindrome (4526452546254).

The spelling of 3303331213221 in words is "three trillion, three hundred three billion, three hundred thirty-one million, two hundred thirteen thousand, two hundred twenty-one".