13161421211 has 2 divisors, whose sum is σ = 13161421212. Its totient is φ = 13161421210.

The previous prime is 13161421171. The next prime is 13161421213. The reversal of 13161421211 is 11212416131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13161421211 - 2¹⁴ = 13161404827 is a prime.

Together with 13161421213, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13161421213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6580710605 + 6580710606.

It is an arithmetic number, because the mean of its divisors is an integer number (6580710606).

Almost surely, 2^13161421211 is an apocalyptic number.

13161421211 is a deficient number, since it is larger than the sum of its proper divisors (1).

13161421211 is an equidigital number, since it uses as much as digits as its factorization.

13161421211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 23.

Adding to 13161421211 its reverse (11212416131), we get a palindrome (24373837342).

The spelling of 13161421211 in words is "thirteen billion, one hundred sixty-one million, four hundred twenty-one thousand, two hundred eleven".