13231122211 has 2 divisors, whose sum is σ = 13231122212. Its totient is φ = 13231122210.

The previous prime is 13231122187. The next prime is 13231122221. The reversal of 13231122211 is 11222113231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13231122211 - 2¹¹ = 13231120163 is a prime.

It is not a weakly prime, because it can be changed into another prime (13231122221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6615561105 + 6615561106.

It is an arithmetic number, because the mean of its divisors is an integer number (6615561106).

Almost surely, 2^13231122211 is an apocalyptic number.

13231122211 is a deficient number, since it is larger than the sum of its proper divisors (1).

13231122211 is an equidigital number, since it uses as much as digits as its factorization.

13231122211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144, while the sum is 19.

Adding to 13231122211 its reverse (11222113231), we get a palindrome (24453235442).

The spelling of 13231122211 in words is "thirteen billion, two hundred thirty-one million, one hundred twenty-two thousand, two hundred eleven".