222211112117 has 2 divisors, whose sum is σ = 222211112118. Its totient is φ = 222211112116.

The previous prime is 222211112111. The next prime is 222211112159. The reversal of 222211112117 is 711211112222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 196562769316 + 25648342801 = 443354^2 + 160151^2 .

It is a cyclic number.

It is not a de Polignac number, because 222211112117 - 2⁸ = 222211111861 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222211112092 and 222211112101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222211112111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111105556058 + 111105556059.

It is an arithmetic number, because the mean of its divisors is an integer number (111105556059).

Almost surely, 2^222211112117 is an apocalyptic number.

It is an amenable number.

222211112117 is a deficient number, since it is larger than the sum of its proper divisors (1).

222211112117 is an equidigital number, since it uses as much as digits as its factorization.

222211112117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 224, while the sum is 23.

Adding to 222211112117 its reverse (711211112222), we get a palindrome (933422224339).

The spelling of 222211112117 in words is "two hundred twenty-two billion, two hundred eleven million, one hundred twelve thousand, one hundred seventeen".