212101100210 has 8 divisors (see below), whose sum is σ = 381781980396. Its totient is φ = 84840440080.

The previous prime is 212101100209. The next prime is 212101100227. The reversal of 212101100210 is 12001101212.

212101100210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 211762871329 + 338228881 = 460177^2 + 18391^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 212101100191 and 212101100200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10605055001 + ... + 10605055020.

Almost surely, 2^212101100210 is an apocalyptic number.

212101100210 is a deficient number, since it is larger than the sum of its proper divisors (169680880186).

212101100210 is a wasteful number, since it uses less digits than its factorization.

212101100210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21210110028.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 212101100210 its reverse (12001101212), we get a palindrome (224102201422).

The spelling of 212101100210 in words is "two hundred twelve billion, one hundred one million, one hundred thousand, two hundred ten".