210211100211210 has 768 divisors, whose sum is σ = 617657707929600. Its totient is φ = 45752955494400.

The previous prime is 210211100211197. The next prime is 210211100211247. The reversal of 210211100211210 is 12112001112012.

It is a happy number.

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 210211100211210.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 131299874410 + ... + 131299876010.

It is an arithmetic number, because the mean of its divisors is an integer number (804241807200).

Almost surely, 2^{210211100211210} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210211100211210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308828853964800).

210211100211210 is an abundant number, since it is smaller than the sum of its proper divisors (407446607718390).

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

210211100211210 is a wasteful number, since it uses less digits than its factorization.

210211100211210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1888 (or 1831 counting only the distinct ones).

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

Adding to 210211100211210 its reverse (12112001112012), we get a palindrome (222323101323222).

The spelling of 210211100211210 in words is "two hundred ten trillion, two hundred eleven billion, one hundred million, two hundred eleven thousand, two hundred ten".