122212212211 has 2 divisors, whose sum is σ = 122212212212. Its totient is φ = 122212212210.

The previous prime is 122212212197. The next prime is 122212212251. The reversal of 122212212211 is 112212212221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122212212211 - 2⁵ = 122212212179 is a prime.

It is not a weakly prime, because it can be changed into another prime (122212212251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61106106105 + 61106106106.

It is an arithmetic number, because the mean of its divisors is an integer number (61106106106).

Almost surely, 2^122212212211 is an apocalyptic number.

122212212211 is a deficient number, since it is larger than the sum of its proper divisors (1).

122212212211 is an equidigital number, since it uses as much as digits as its factorization.

122212212211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 128, while the sum is 19.

Adding to 122212212211 its reverse (112212212221), we get a palindrome (234424424432).

The spelling of 122212212211 in words is "one hundred twenty-two billion, two hundred twelve million, two hundred twelve thousand, two hundred eleven".