2110111217 has 2 divisors, whose sum is σ = 2110111218. Its totient is φ = 2110111216.

The previous prime is 2110111183. The next prime is 2110111219. The reversal of 2110111217 is 7121110112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1890597361 + 219513856 = 43481^2 + 14816^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2110111217 is a prime.

Together with 2110111219, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2110111195 and 2110111204.

It is not a weakly prime, because it can be changed into another prime (2110111219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055055608 + 1055055609.

It is an arithmetic number, because the mean of its divisors is an integer number (1055055609).

Almost surely, 2^2110111217 is an apocalyptic number.

It is an amenable number.

2110111217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2110111217 is an equidigital number, since it uses as much as digits as its factorization.

2110111217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 17.

The square root of 2110111217 is about 45935.9468934733. The cubic root of 2110111217 is about 1282.6311471989.

Adding to 2110111217 its reverse (7121110112), we get a palindrome (9231221329).

The spelling of 2110111217 in words is "two billion, one hundred ten million, one hundred eleven thousand, two hundred seventeen".