2212110112217 has 2 divisors, whose sum is σ = 2212110112218. Its totient is φ = 2212110112216.

The previous prime is 2212110112207. The next prime is 2212110112231. The reversal of 2212110112217 is 7122110112122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2140658683801 + 71451428416 = 1463099^2 + 267304^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212110112217 - 2³⁶ = 2143390635481 is a prime.

It is a super-2 number, since 2×2212110112217² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2212110112192 and 2212110112201.

It is not a weakly prime, because it can be changed into another prime (2212110112207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106055056108 + 1106055056109.

It is an arithmetic number, because the mean of its divisors is an integer number (1106055056109).

Almost surely, 2^{2212110112217} is an apocalyptic number.

It is an amenable number.

2212110112217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212110112217 is an equidigital number, since it uses as much as digits as its factorization.

2212110112217 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 2212110112217 its reverse (7122110112122), we get a palindrome (9334220224339).

The spelling of 2212110112217 in words is "two trillion, two hundred twelve billion, one hundred ten million, one hundred twelve thousand, two hundred seventeen".