2081200099 has 8 divisors (see below), whose sum is σ = 2270730240. Its totient is φ = 1891725000.

The previous prime is 2081200039. The next prime is 2081200117. The reversal of 2081200099 is 9900021802.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2081200099 - 2²³ = 2072811491 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2081200099.

It is not an unprimeable number, because it can be changed into a prime (2081200019) 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 7 ways as a sum of consecutive naturals, for example, 144382 + ... + 158140.

It is an arithmetic number, because the mean of its divisors is an integer number (283841280).

Almost surely, 2^2081200099 is an apocalyptic number.

2081200099 is a deficient number, since it is larger than the sum of its proper divisors (189530141).

2081200099 is a wasteful number, since it uses less digits than its factorization.

2081200099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27521.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 2081200099 is about 45620.1720623673. The cubic root of 2081200099 is about 1276.7463137582.

The spelling of 2081200099 in words is "two billion, eighty-one million, two hundred thousand, ninety-nine".