13320123211 has 2 divisors, whose sum is σ = 13320123212. Its totient is φ = 13320123210.

The previous prime is 13320123191. The next prime is 13320123241. The reversal of 13320123211 is 11232102331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13320123211 - 2⁷ = 13320123083 is a prime.

It is not a weakly prime, because it can be changed into another prime (13320123241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6660061605 + 6660061606.

It is an arithmetic number, because the mean of its divisors is an integer number (6660061606).

Almost surely, 2^13320123211 is an apocalyptic number.

13320123211 is a deficient number, since it is larger than the sum of its proper divisors (1).

13320123211 is an equidigital number, since it uses as much as digits as its factorization.

13320123211 is an odious number, because the sum of its binary digits is odd.

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

Adding to 13320123211 its reverse (11232102331), we get a palindrome (24552225542).

The spelling of 13320123211 in words is "thirteen billion, three hundred twenty million, one hundred twenty-three thousand, two hundred eleven".