211210100211210 has 128 divisors (see below), whose sum is σ = 543844064010240. Its totient is φ = 52365933734400.

The previous prime is 211210100211203. The next prime is 211210100211211. The reversal of 211210100211210 is 12112001012112.

It is a happy number.

211210100211210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 211210100211210.

It is not an unprimeable number, because it can be changed into a prime (211210100211211) 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, 6108120 + ... + 21441299.

It is an arithmetic number, because the mean of its divisors is an integer number (4248781750080).

Almost surely, 2^{211210100211210} is an apocalyptic number.

211210100211210 is an abundant number, since it is smaller than the sum of its proper divisors (332633963799030).

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

211210100211210 is a wasteful number, since it uses less digits than its factorization.

211210100211210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27549764.

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

Adding to 211210100211210 its reverse (12112001012112), we get a palindrome (223322101223322).

The spelling of 211210100211210 in words is "two hundred eleven trillion, two hundred ten billion, one hundred million, two hundred eleven thousand, two hundred ten".