2101200318 has 64 divisors (see below), whose sum is σ = 5409553920. Its totient is φ = 592111296.

The previous prime is 2101200197. The next prime is 2101200319. The reversal of 2101200318 is 8130021012.

It is a super-2 number, since 2×2101200318² = 8830085552726602248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 2101200318.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101200319) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10480 + ... + 65667.

It is an arithmetic number, because the mean of its divisors is an integer number (84524280).

Almost surely, 2^2101200318 is an apocalyptic number.

2101200318 is an abundant number, since it is smaller than the sum of its proper divisors (3308353602).

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

2101200318 is a wasteful number, since it uses less digits than its factorization.

2101200318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76238 (or 76232 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 2101200318 is about 45838.8516217411. The cubic root of 2101200318 is about 1280.8231029964.

The spelling of 2101200318 in words is "two billion, one hundred one million, two hundred thousand, three hundred eighteen".