212110211211 has 8 divisors (see below), whose sum is σ = 283194255360. Its totient is φ = 141216487272.

The previous prime is 212110211123. The next prime is 212110211321. The reversal of 212110211211 is 112112011212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212110211211 - 2¹¹ = 212110209163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212110211611) 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 7 ways as a sum of consecutive naturals, for example, 47577451 + ... + 47581908.

It is an arithmetic number, because the mean of its divisors is an integer number (35399281920).

Almost surely, 2^212110211211 is an apocalyptic number.

212110211211 is a deficient number, since it is larger than the sum of its proper divisors (71084044149).

212110211211 is an equidigital number, since it uses as much as digits as its factorization.

212110211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95160105.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 212110211211 its reverse (112112011212), we get a palindrome (324222222423).

The spelling of 212110211211 in words is "two hundred twelve billion, one hundred ten million, two hundred eleven thousand, two hundred eleven".