222122112211 has 2 divisors, whose sum is σ = 222122112212. Its totient is φ = 222122112210.

The previous prime is 222122112181. The next prime is 222122112257. The reversal of 222122112211 is 112211221222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222122112211 - 2⁹ = 222122111699 is a prime.

It is not a weakly prime, because it can be changed into another prime (222122112911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111061056105 + 111061056106.

It is an arithmetic number, because the mean of its divisors is an integer number (111061056106).

Almost surely, 2^222122112211 is an apocalyptic number.

222122112211 is a deficient number, since it is larger than the sum of its proper divisors (1).

222122112211 is an equidigital number, since it uses as much as digits as its factorization.

222122112211 is an odious number, because the sum of its binary digits is odd.

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

Adding to 222122112211 its reverse (112211221222), we get a palindrome (334333333433).

The spelling of 222122112211 in words is "two hundred twenty-two billion, one hundred twenty-two million, one hundred twelve thousand, two hundred eleven".