212112110211 has 16 divisors (see below), whose sum is σ = 288374749344. Its totient is φ = 138632891904.

The previous prime is 212112110209. The next prime is 212112110227. The reversal of 212112110211 is 112011211212.

It is a happy number.

It is not a de Polignac number, because 212112110211 - 2¹ = 212112110209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212112110291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 308056 + ... + 720501.

It is an arithmetic number, because the mean of its divisors is an integer number (18023421834).

Almost surely, 2^212112110211 is an apocalyptic number.

212112110211 is a deficient number, since it is larger than the sum of its proper divisors (76262639133).

212112110211 is a wasteful number, since it uses less digits than its factorization.

212112110211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029910.

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

Adding to 212112110211 its reverse (112011211212), we get a palindrome (324123321423).

The spelling of 212112110211 in words is "two hundred twelve billion, one hundred twelve million, one hundred ten thousand, two hundred eleven".