1112220017 has 2 divisors, whose sum is σ = 1112220018. Its totient is φ = 1112220016.

The previous prime is 1112219987. The next prime is 1112220029. The reversal of 1112220017 is 7100222111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 770118001 + 342102016 = 27751^2 + 18496^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112220017 - 2⁸ = 1112219761 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1112219977 and 1112220004.

It is not a weakly prime, because it can be changed into another prime (1112220047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556110008 + 556110009.

It is an arithmetic number, because the mean of its divisors is an integer number (556110009).

Almost surely, 2^1112220017 is an apocalyptic number.

It is an amenable number.

1112220017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112220017 is an equidigital number, since it uses as much as digits as its factorization.

1112220017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 17.

The square root of 1112220017 is about 33349.9627735924. The cubic root of 1112220017 is about 1036.0886169309.

Adding to 1112220017 its reverse (7100222111), we get a palindrome (8212442128).

The spelling of 1112220017 in words is "one billion, one hundred twelve million, two hundred twenty thousand, seventeen".