222112012022111 has 2 divisors, whose sum is σ = 222112012022112. Its totient is φ = 222112012022110.

The previous prime is 222112012022099. The next prime is 222112012022143. The reversal of 222112012022111 is 111220210211222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222112012022111 - 2²⁶ = 222111944913247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222112012022311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111056006011055 + 111056006011056.

It is an arithmetic number, because the mean of its divisors is an integer number (111056006011056).

Almost surely, 2^{222112012022111} is an apocalyptic number.

222112012022111 is a deficient number, since it is larger than the sum of its proper divisors (1).

222112012022111 is an equidigital number, since it uses as much as digits as its factorization.

222112012022111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 222112012022111 its reverse (111220210211222), we get a palindrome (333332222233333).

The spelling of 222112012022111 in words is "two hundred twenty-two trillion, one hundred twelve billion, twelve million, twenty-two thousand, one hundred eleven".