2110212217 has 2 divisors, whose sum is σ = 2110212218. Its totient is φ = 2110212216.

The previous prime is 2110212197. The next prime is 2110212271. The reversal of 2110212217 is 7122120112.

Together with next prime (2110212271) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1980161001 + 130051216 = 44499^2 + 11404^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2110212217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2110212194 and 2110212203.

It is not a weakly prime, because it can be changed into another prime (2110212317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055106108 + 1055106109.

It is an arithmetic number, because the mean of its divisors is an integer number (1055106109).

Almost surely, 2^2110212217 is an apocalyptic number.

It is an amenable number.

2110212217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2110212217 is an equidigital number, since it uses as much as digits as its factorization.

2110212217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 2110212217 is about 45937.0462372147. The cubic root of 2110212217 is about 1282.6516111565.

Adding to 2110212217 its reverse (7122120112), we get a palindrome (9232332329).

The spelling of 2110212217 in words is "two billion, one hundred ten million, two hundred twelve thousand, two hundred seventeen".