6321222113 has 2 divisors, whose sum is σ = 6321222114. Its totient is φ = 6321222112.

The previous prime is 6321222097. The next prime is 6321222137. The reversal of 6321222113 is 3112221236.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4023745489 + 2297476624 = 63433^2 + 47932^2 .

It is a cyclic number.

It is not a de Polignac number, because 6321222113 - 2⁴ = 6321222097 is a prime.

It is not a weakly prime, because it can be changed into another prime (6321222913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3160611056 + 3160611057.

It is an arithmetic number, because the mean of its divisors is an integer number (3160611057).

Almost surely, 2^6321222113 is an apocalyptic number.

It is an amenable number.

6321222113 is a deficient number, since it is larger than the sum of its proper divisors (1).

6321222113 is an equidigital number, since it uses as much as digits as its factorization.

6321222113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 23.

The square root of 6321222113 is about 79506.1136831628. The cubic root of 6321222113 is about 1848.9862586282.

Adding to 6321222113 its reverse (3112221236), we get a palindrome (9433443349).

The spelling of 6321222113 in words is "six billion, three hundred twenty-one million, two hundred twenty-two thousand, one hundred thirteen".