210532221200 has 120 divisors (see below), whose sum is σ = 578266143360. Its totient is φ = 72156902400.

The previous prime is 210532221187. The next prime is 210532221203. The reversal of 210532221200 is 2122235012.

210532221200 is digitally balanced in base 3, 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 (20).

It is not an unprimeable number, because it can be changed into a prime (210532221203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8973485 + ... + 8996915.

It is an arithmetic number, because the mean of its divisors is an integer number (4818884528).

Almost surely, 2^210532221200 is an apocalyptic number.

210532221200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210532221200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289133071680).

210532221200 is an abundant number, since it is smaller than the sum of its proper divisors (367733922160).

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

210532221200 is a wasteful number, since it uses less digits than its factorization.

210532221200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26665 (or 26654 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 210532221200 its reverse (2122235012), we get a palindrome (212654456212).

The spelling of 210532221200 in words is "two hundred ten billion, five hundred thirty-two million, two hundred twenty-one thousand, two hundred".