2101240200 has 96 divisors (see below), whose sum is σ = 6541545600. Its totient is φ = 557948160.

The previous prime is 2101240189. The next prime is 2101240223. The reversal of 2101240200 is 20421012.

2101240200 is digitally balanced in base 4, 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 an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 136074 + ... + 150726.

It is an arithmetic number, because the mean of its divisors is an integer number (68141100).

Almost surely, 2^2101240200 is an apocalyptic number.

2101240200 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 2101240200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3270772800).

2101240200 is an abundant number, since it is smaller than the sum of its proper divisors (4440305400).

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

2101240200 is a wasteful number, since it uses less digits than its factorization.

2101240200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14911 (or 14902 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2101240200 is about 45839.2866436641. The cubic root of 2101240200 is about 1280.8312065334.

Adding to 2101240200 its reverse (20421012), we get a palindrome (2121661212).

The spelling of 2101240200 in words is "two billion, one hundred one million, two hundred forty thousand, two hundred".