211113310211 has 4 divisors (see below), whose sum is σ = 217923417024. Its totient is φ = 204303203400.

The previous prime is 211113310201. The next prime is 211113310253. The reversal of 211113310211 is 112013311112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211113310211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 211113310211.

It is not an unprimeable number, because it can be changed into a prime (211113310201) 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, 3405053360 + ... + 3405053421.

It is an arithmetic number, because the mean of its divisors is an integer number (54480854256).

Almost surely, 2^211113310211 is an apocalyptic number.

211113310211 is a deficient number, since it is larger than the sum of its proper divisors (6810106813).

211113310211 is an equidigital number, since it uses as much as digits as its factorization.

211113310211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6810106812.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 211113310211 its reverse (112013311112), we get a palindrome (323126621323).

Subtracting from 211113310211 its reverse (112013311112), we obtain a palindrome (99099999099).

The spelling of 211113310211 in words is "two hundred eleven billion, one hundred thirteen million, three hundred ten thousand, two hundred eleven".