212101110210 has 128 divisors (see below), whose sum is σ = 569680957440. Its totient is φ = 50092275200.

The previous prime is 212101110209. The next prime is 212101110217. The reversal of 212101110210 is 12011101212.

212101110210 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (212101110217) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9717169 + ... + 9738971.

It is an arithmetic number, because the mean of its divisors is an integer number (4450632480).

Almost surely, 2^212101110210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212101110210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284840478720).

212101110210 is an abundant number, since it is smaller than the sum of its proper divisors (357579847230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212101110210 is a wasteful number, since it uses less digits than its factorization.

212101110210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22584.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 212101110210 its reverse (12011101212), we get a palindrome (224112211422).

The spelling of 212101110210 in words is "two hundred twelve billion, one hundred one million, one hundred ten thousand, two hundred ten".