111002101222217 has 2 divisors, whose sum is σ = 111002101222218. Its totient is φ = 111002101222216.

The previous prime is 111002101222147. The next prime is 111002101222237. The reversal of 111002101222217 is 712222101200111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65160751872841 + 45841349349376 = 8072221^2 + 6770624^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111002101222217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111002101222192 and 111002101222201.

It is not a weakly prime, because it can be changed into another prime (111002101222237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55501050611108 + 55501050611109.

It is an arithmetic number, because the mean of its divisors is an integer number (55501050611109).

Almost surely, 2^{111002101222217} is an apocalyptic number.

It is an amenable number.

111002101222217 is a deficient number, since it is larger than the sum of its proper divisors (1).

111002101222217 is an equidigital number, since it uses as much as digits as its factorization.

111002101222217 is an evil number, because the sum of its binary digits is even.

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

Adding to 111002101222217 its reverse (712222101200111), we get a palindrome (823224202422328).

The spelling of 111002101222217 in words is "one hundred eleven trillion, two billion, one hundred one million, two hundred twenty-two thousand, two hundred seventeen".