2112300217 has 2 divisors, whose sum is σ = 2112300218. Its totient is φ = 2112300216.

The previous prime is 2112300191. The next prime is 2112300221. The reversal of 2112300217 is 7120032112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1785992121 + 326308096 = 42261^2 + 18064^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112300217 - 2¹¹ = 2112298169 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2112300194 and 2112300203.

It is not a weakly prime, because it can be changed into another prime (2112300247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056150108 + 1056150109.

It is an arithmetic number, because the mean of its divisors is an integer number (1056150109).

Almost surely, 2^2112300217 is an apocalyptic number.

It is an amenable number.

2112300217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112300217 is an equidigital number, since it uses as much as digits as its factorization.

2112300217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 2112300217 is about 45959.7673732146. The cubic root of 2112300217 is about 1283.0745218159.

Adding to 2112300217 its reverse (7120032112), we get a palindrome (9232332329).

The spelling of 2112300217 in words is "two billion, one hundred twelve million, three hundred thousand, two hundred seventeen".