210000111200 has 144 divisors (see below), whose sum is σ = 565036429104. Its totient is φ = 75576115200.

The previous prime is 210000111173. The next prime is 210000111287. The reversal of 210000111200 is 2111000012.

210000111200 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 (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 730592 + ... + 976608.

It is an arithmetic number, because the mean of its divisors is an integer number (3923864091).

Almost surely, 2^210000111200 is an apocalyptic number.

210000111200 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 210000111200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282518214552).

210000111200 is an abundant number, since it is smaller than the sum of its proper divisors (355036317904).

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

210000111200 is a wasteful number, since it uses less digits than its factorization.

210000111200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246145 (or 246132 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 210000111200 its reverse (2111000012), we get a palindrome (212111111212).

The spelling of 210000111200 in words is "two hundred ten billion, one hundred eleven thousand, two hundred".