1110212212217 has 2 divisors, whose sum is σ = 1110212212218. Its totient is φ = 1110212212216.

The previous prime is 1110212212127. The next prime is 1110212212229. The reversal of 1110212212217 is 7122122120111.

Together with previous prime (1110212212127) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1093413200896 + 16799011321 = 1045664^2 + 129611^2 .

It is a cyclic number.

It is not a de Polignac number, because 1110212212217 - 2²² = 1110208017913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1110212212192 and 1110212212201.

It is not a weakly prime, because it can be changed into another prime (1110212212247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555106106108 + 555106106109.

It is an arithmetic number, because the mean of its divisors is an integer number (555106106109).

Almost surely, 2^{1110212212217} is an apocalyptic number.

It is an amenable number.

1110212212217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110212212217 is an equidigital number, since it uses as much as digits as its factorization.

1110212212217 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 23.

Adding to 1110212212217 its reverse (7122122120111), we get a palindrome (8232334332328).

The spelling of 1110212212217 in words is "one trillion, one hundred ten billion, two hundred twelve million, two hundred twelve thousand, two hundred seventeen".