3221321113 has 2 divisors, whose sum is σ = 3221321114. Its totient is φ = 3221321112.

The previous prime is 3221321099. The next prime is 3221321137. The reversal of 3221321113 is 3111231223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1910301849 + 1311019264 = 43707^2 + 36208^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3221321113 is a prime.

It is not a weakly prime, because it can be changed into another prime (3221321413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610660556 + 1610660557.

It is an arithmetic number, because the mean of its divisors is an integer number (1610660557).

Almost surely, 2^3221321113 is an apocalyptic number.

It is an amenable number.

3221321113 is a deficient number, since it is larger than the sum of its proper divisors (1).

3221321113 is an equidigital number, since it uses as much as digits as its factorization.

3221321113 is an evil number, because the sum of its binary digits is even.

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

The square root of 3221321113 is about 56756.6834214262. The cubic root of 3221321113 is about 1476.8781763068.

Adding to 3221321113 its reverse (3111231223), we get a palindrome (6332552336).

The spelling of 3221321113 in words is "three billion, two hundred twenty-one million, three hundred twenty-one thousand, one hundred thirteen".