13122120211 has 2 divisors, whose sum is σ = 13122120212. Its totient is φ = 13122120210.

The previous prime is 13122120199. The next prime is 13122120269. The reversal of 13122120211 is 11202122131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13122120211 - 2⁷ = 13122120083 is a prime.

It is not a weakly prime, because it can be changed into another prime (13122120281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6561060105 + 6561060106.

It is an arithmetic number, because the mean of its divisors is an integer number (6561060106).

Almost surely, 2^13122120211 is an apocalyptic number.

13122120211 is a deficient number, since it is larger than the sum of its proper divisors (1).

13122120211 is an equidigital number, since it uses as much as digits as its factorization.

13122120211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 13122120211 its reverse (11202122131), we get a palindrome (24324242342).

The spelling of 13122120211 in words is "thirteen billion, one hundred twenty-two million, one hundred twenty thousand, two hundred eleven".