222112212010111 has 2 divisors, whose sum is σ = 222112212010112. Its totient is φ = 222112212010110.

The previous prime is 222112212010099. The next prime is 222112212010123. The reversal of 222112212010111 is 111010212211222.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (222112212010099) and next prime (222112212010123).

It is a cyclic number.

It is not a de Polignac number, because 222112212010111 - 2⁷ = 222112212009983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222112212010211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111056106005055 + 111056106005056.

It is an arithmetic number, because the mean of its divisors is an integer number (111056106005056).

Almost surely, 2^{222112212010111} is an apocalyptic number.

222112212010111 is a deficient number, since it is larger than the sum of its proper divisors (1).

222112212010111 is an equidigital number, since it uses as much as digits as its factorization.

222112212010111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 222112212010111 its reverse (111010212211222), we get a palindrome (333122424221333).

The spelling of 222112212010111 in words is "two hundred twenty-two trillion, one hundred twelve billion, two hundred twelve million, ten thousand, one hundred eleven".