222365666111 has 2 divisors, whose sum is σ = 222365666112. Its totient is φ = 222365666110.

The previous prime is 222365666101. The next prime is 222365666167. The reversal of 222365666111 is 111666563222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222365666111 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222365666101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111182833055 + 111182833056.

It is an arithmetic number, because the mean of its divisors is an integer number (111182833056).

Almost surely, 2^222365666111 is an apocalyptic number.

222365666111 is a deficient number, since it is larger than the sum of its proper divisors (1).

222365666111 is an equidigital number, since it uses as much as digits as its factorization.

222365666111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 41.

The spelling of 222365666111 in words is "two hundred twenty-two billion, three hundred sixty-five million, six hundred sixty-six thousand, one hundred eleven".