1012110222217 has 2 divisors, whose sum is σ = 1012110222218. Its totient is φ = 1012110222216.

The previous prime is 1012110222203. The next prime is 1012110222223. The reversal of 1012110222217 is 7122220112101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 687313953936 + 324796268281 = 829044^2 + 569909^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012110222217 - 2³⁵ = 977750483849 is a prime.

It is a super-2 number, since 2×1012110222217² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1012110222517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506055111108 + 506055111109.

It is an arithmetic number, because the mean of its divisors is an integer number (506055111109).

Almost surely, 2^{1012110222217} is an apocalyptic number.

It is an amenable number.

1012110222217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012110222217 is an equidigital number, since it uses as much as digits as its factorization.

1012110222217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 1012110222217 its reverse (7122220112101), we get a palindrome (8134330334318).

The spelling of 1012110222217 in words is "one trillion, twelve billion, one hundred ten million, two hundred twenty-two thousand, two hundred seventeen".