2142112200 has 96 divisors (see below), whose sum is σ = 7031201760. Its totient is φ = 537625600.

The previous prime is 2142112187. The next prime is 2142112201. The reversal of 2142112200 is 22112412.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2142112200.

It is not an unprimeable number, because it can be changed into a prime (2142112201) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 94806 + ... + 115205.

It is an arithmetic number, because the mean of its divisors is an integer number (73241685).

Almost surely, 2^2142112200 is an apocalyptic number.

2142112200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2142112200 is an abundant number, since it is smaller than the sum of its proper divisors (4889089560).

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

2142112200 is a wasteful number, since it uses less digits than its factorization.

2142112200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210047 (or 210038 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2142112200 is about 46282.9579867147. The cubic root of 2142112200 is about 1289.0825758710.

Adding to 2142112200 its reverse (22112412), we get a palindrome (2164224612).

The spelling of 2142112200 in words is "two billion, one hundred forty-two million, one hundred twelve thousand, two hundred".