2120113200 has 60 divisors (see below), whose sum is σ = 6791433128. Its totient is φ = 565363200.

The previous prime is 2120113199. The next prime is 2120113253. The reversal of 2120113200 is 23110212.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 882181 + ... + 884580.

Almost surely, 2^2120113200 is an apocalyptic number.

2120113200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120113200 is an abundant number, since it is smaller than the sum of its proper divisors (4671319928).

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

2120113200 is a wasteful number, since it uses less digits than its factorization.

2120113200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1766782 (or 1766771 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2120113200 is about 46044.6869899232. The cubic root of 2120113200 is about 1284.6545221331.

Adding to 2120113200 its reverse (23110212), we get a palindrome (2143223412).

The spelling of 2120113200 in words is "two billion, one hundred twenty million, one hundred thirteen thousand, two hundred".