222000100222111 has 2 divisors, whose sum is σ = 222000100222112. Its totient is φ = 222000100222110.

The previous prime is 222000100222067. The next prime is 222000100222139. The reversal of 222000100222111 is 111222001000222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222000100222111 - 2¹⁹ = 222000099697823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222000100229111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111000050111055 + 111000050111056.

It is an arithmetic number, because the mean of its divisors is an integer number (111000050111056).

Almost surely, 2^{222000100222111} is an apocalyptic number.

222000100222111 is a deficient number, since it is larger than the sum of its proper divisors (1).

222000100222111 is an equidigital number, since it uses as much as digits as its factorization.

222000100222111 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 16.

Adding to 222000100222111 its reverse (111222001000222), we get a palindrome (333222101222333).

The spelling of 222000100222111 in words is "two hundred twenty-two trillion, one hundred million, two hundred twenty-two thousand, one hundred eleven".