212100233211 has 16 divisors (see below), whose sum is σ = 330760598400. Its totient is φ = 133958041704.

The previous prime is 212100233203. The next prime is 212100233221. The reversal of 212100233211 is 112332001212.

212100233211 is a `hidden beast` number, since 212 + 10 + 0 + 233 + 211 = 666.

It is not a de Polignac number, because 212100233211 - 2³ = 212100233203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212100233221) 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, 206724861 + ... + 206725886.

It is an arithmetic number, because the mean of its divisors is an integer number (20672537400).

Almost surely, 2^212100233211 is an apocalyptic number.

212100233211 is a deficient number, since it is larger than the sum of its proper divisors (118660365189).

212100233211 is a wasteful number, since it uses less digits than its factorization.

212100233211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413450775 (or 413450769 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 212100233211 its reverse (112332001212), we get a palindrome (324432234423).

The spelling of 212100233211 in words is "two hundred twelve billion, one hundred million, two hundred thirty-three thousand, two hundred eleven".