3313220333221 has 8 divisors (see below), whose sum is σ = 3383903658240. Its totient is φ = 3242544894768.

The previous prime is 3313220333209. The next prime is 3313220333233. The reversal of 3313220333221 is 1223330223133.

It is an interprime number because it is at equal distance from previous prime (3313220333209) and next prime (3313220333233).

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 3313220333221 - 2²³ = 3313211944613 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3313220333221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3313220133221) 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, 1118566 + ... + 2806711.

It is an arithmetic number, because the mean of its divisors is an integer number (422987957280).

Almost surely, 2^{3313220333221} is an apocalyptic number.

It is an amenable number.

3313220333221 is a deficient number, since it is larger than the sum of its proper divisors (70683325019).

3313220333221 is a wasteful number, since it uses less digits than its factorization.

3313220333221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3943283.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 3313220333221 its reverse (1223330223133), we get a palindrome (4536550556354).

The spelling of 3313220333221 in words is "three trillion, three hundred thirteen billion, two hundred twenty million, three hundred thirty-three thousand, two hundred twenty-one".