212210100211 has 4 divisors (see below), whose sum is σ = 212212558152. Its totient is φ = 212207642272.

The previous prime is 212210100203. The next prime is 212210100251. The reversal of 212210100211 is 112001012212.

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

It is a cyclic number.

It is not a de Polignac number, because 212210100211 - 2³ = 212210100203 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212210100191 and 212210100200.

It is not an unprimeable number, because it can be changed into a prime (212210100251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1094566 + ... + 1273771.

It is an arithmetic number, because the mean of its divisors is an integer number (53053139538).

Almost surely, 2^212210100211 is an apocalyptic number.

212210100211 is a deficient number, since it is larger than the sum of its proper divisors (2457941).

212210100211 is an equidigital number, since it uses as much as digits as its factorization.

212210100211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2457940.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 212210100211 its reverse (112001012212), we get a palindrome (324211112423).

The spelling of 212210100211 in words is "two hundred twelve billion, two hundred ten million, one hundred thousand, two hundred eleven".