222242122211 has 2 divisors, whose sum is σ = 222242122212. Its totient is φ = 222242122210.

The previous prime is 222242122171. The next prime is 222242122243. The reversal of 222242122211 is 112221242222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222242122211 - 2³⁴ = 205062253027 is a prime.

It is not a weakly prime, because it can be changed into another prime (222242122261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111121061105 + 111121061106.

It is an arithmetic number, because the mean of its divisors is an integer number (111121061106).

Almost surely, 2^222242122211 is an apocalyptic number.

222242122211 is a deficient number, since it is larger than the sum of its proper divisors (1).

222242122211 is an equidigital number, since it uses as much as digits as its factorization.

222242122211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1024, while the sum is 23.

Adding to 222242122211 its reverse (112221242222), we get a palindrome (334463364433).

The spelling of 222242122211 in words is "two hundred twenty-two billion, two hundred forty-two million, one hundred twenty-two thousand, two hundred eleven".