3321113221 has 4 divisors (see below), whose sum is σ = 3465509472. Its totient is φ = 3176716972.

The previous prime is 3321113207. The next prime is 3321113233. The reversal of 3321113221 is 1223111233.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3321113221 - 2¹⁵ = 3321080453 is a prime.

It is a super-2 number, since 2×3321113221² = 22059586053401989682, which 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 (3321113291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72198091 + ... + 72198136.

It is an arithmetic number, because the mean of its divisors is an integer number (866377368).

Almost surely, 2^3321113221 is an apocalyptic number.

It is an amenable number.

3321113221 is a deficient number, since it is larger than the sum of its proper divisors (144396251).

3321113221 is a wasteful number, since it uses less digits than its factorization.

3321113221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144396250.

The product of its digits is 216, while the sum is 19.

The square root of 3321113221 is about 57629.1004701618. The cubic root of 3321113221 is about 1491.9739046065.

Adding to 3321113221 its reverse (1223111233), we get a palindrome (4544224454).

The spelling of 3321113221 in words is "three billion, three hundred twenty-one million, one hundred thirteen thousand, two hundred twenty-one".