13212222211 has 2 divisors, whose sum is σ = 13212222212. Its totient is φ = 13212222210.

The previous prime is 13212222209. The next prime is 13212222241. The reversal of 13212222211 is 11222221231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13212222211 - 2¹ = 13212222209 is a prime.

Together with 13212222209, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (13212222241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6606111105 + 6606111106.

It is an arithmetic number, because the mean of its divisors is an integer number (6606111106).

Almost surely, 2^13212222211 is an apocalyptic number.

13212222211 is a deficient number, since it is larger than the sum of its proper divisors (1).

13212222211 is an equidigital number, since it uses as much as digits as its factorization.

13212222211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 192, while the sum is 19.

Adding to 13212222211 its reverse (11222221231), we get a palindrome (24434443442).

The spelling of 13212222211 in words is "thirteen billion, two hundred twelve million, two hundred twenty-two thousand, two hundred eleven".