210112211017 has 2 divisors, whose sum is σ = 210112211018.
Its totient is φ = 210112211016.
The previous prime is 210112211009. The next prime is 210112211041. The reversal of 210112211017 is 710112211012.
210112211017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 158560054416 + 51552156601 = 398196^2 + 227051^2
It is a cyclic number.
It is not a de Polignac number, because 210112211017 - 23 = 210112211009 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 210112210985 and 210112211003.
It is not a weakly prime, because it can be changed into another prime (210112211077) 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, 105056105508 + 105056105509.
It is an arithmetic number, because the mean of its divisors is an integer number (105056105509).
Almost surely, 2210112211017 is an apocalyptic number.
It is an amenable number.
210112211017 is a deficient number, since it is larger than the sum of its proper divisors (1).
210112211017 is an equidigital number, since it uses as much as digits as its factorization.
210112211017 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 56, while the sum is 19.
Adding to 210112211017 its reverse (710112211012), we get a palindrome (920224422029).
The spelling of 210112211017 in words is "two hundred ten billion, one hundred twelve million, two hundred eleven thousand, seventeen".