211300230211 has 4 divisors (see below), whose sum is σ = 241485977392.
Its totient is φ = 181114483032.
The previous prime is 211300230161. The next prime is 211300230217. The reversal of 211300230211 is 112032003112.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 211300230211 - 217 = 211300099139 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (211300230217) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15092873580 + ... + 15092873593.
It is an arithmetic number, because the mean of its divisors is an integer number (60371494348).
Almost surely, 2211300230211 is an apocalyptic number.
211300230211 is a deficient number, since it is larger than the sum of its proper divisors (30185747181).
211300230211 is an equidigital number, since it uses as much as digits as its factorization.
211300230211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30185747180.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 211300230211 its reverse (112032003112), we get a palindrome (323332233323).
The spelling of 211300230211 in words is "two hundred eleven billion, three hundred million, two hundred thirty thousand, two hundred eleven".