210200021210100 has 144 divisors (see below), whose sum is σ = 619864341768000. Its totient is φ = 54980555857920.

The previous prime is 210200021210071. The next prime is 210200021210107. The reversal of 210200021210100 is 1012120002012.

210200021210100 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 (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210200021210107) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5277319 + ... + 21171918.

It is an arithmetic number, because the mean of its divisors is an integer number (4304613484500).

Almost surely, 2^{210200021210100} is an apocalyptic number.

210200021210100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210200021210100 is an abundant number, since it is smaller than the sum of its proper divisors (409664320557900).

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

210200021210100 is a wasteful number, since it uses less digits than its factorization.

210200021210100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26449762 (or 26449755 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 210200021210100 its reverse (1012120002012), we get a palindrome (211212141212112).

The spelling of 210200021210100 in words is "two hundred ten trillion, two hundred billion, twenty-one million, two hundred ten thousand, one hundred".