222212228111 has 2 divisors, whose sum is σ = 222212228112. Its totient is φ = 222212228110.

The previous prime is 222212228101. The next prime is 222212228123. The reversal of 222212228111 is 111822212222.

222212228111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222212228111 - 2¹⁸ = 222211965967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222212228101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111106114055 + 111106114056.

It is an arithmetic number, because the mean of its divisors is an integer number (111106114056).

Almost surely, 2^222212228111 is an apocalyptic number.

222212228111 is a deficient number, since it is larger than the sum of its proper divisors (1).

222212228111 is an equidigital number, since it uses as much as digits as its factorization.

222212228111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1024, while the sum is 26.

The spelling of 222212228111 in words is "two hundred twenty-two billion, two hundred twelve million, two hundred twenty-eight thousand, one hundred eleven".