13221210227 has 2 divisors, whose sum is σ = 13221210228. Its totient is φ = 13221210226.

The previous prime is 13221210217. The next prime is 13221210251. The reversal of 13221210227 is 72201212231.

It is a weak prime.

It is an emirp because it is prime and its reverse (72201212231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13221210227 - 2⁸ = 13221209971 is a prime.

It is not a weakly prime, because it can be changed into another prime (13221210217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6610605113 + 6610605114.

It is an arithmetic number, because the mean of its divisors is an integer number (6610605114).

Almost surely, 2^13221210227 is an apocalyptic number.

13221210227 is a deficient number, since it is larger than the sum of its proper divisors (1).

13221210227 is an equidigital number, since it uses as much as digits as its factorization.

13221210227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 13221210227 its reverse (72201212231), we get a palindrome (85422422458).

The spelling of 13221210227 in words is "thirteen billion, two hundred twenty-one million, two hundred ten thousand, two hundred twenty-seven".