2113245200 has 120 divisors (see below), whose sum is σ = 5717657856. Its totient is φ = 743616000.

The previous prime is 2113245149. The next prime is 2113245209. The reversal of 2113245200 is 25423112.

2113245200 is digitally balanced in base 6, 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 (2113245209) 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, 128654 + ... + 144146.

Almost surely, 2^2113245200 is an apocalyptic number.

2113245200 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 2113245200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2858828928).

2113245200 is an abundant number, since it is smaller than the sum of its proper divisors (3604412656).

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

2113245200 is a wasteful number, since it uses less digits than its factorization.

2113245200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15553 (or 15542 counting only the distinct ones).

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

The square root of 2113245200 is about 45970.0467696086. The cubic root of 2113245200 is about 1283.2658302981.

Adding to 2113245200 its reverse (25423112), we get a palindrome (2138668312).

The spelling of 2113245200 in words is "two billion, one hundred thirteen million, two hundred forty-five thousand, two hundred".