199330111 has 4 divisors (see below), whose sum is σ = 200224192. Its totient is φ = 198436032.

The previous prime is 199330099. The next prime is 199330129. The reversal of 199330111 is 111033991.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-199330111 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 199330111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199330171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 446706 + ... + 447151.

It is an arithmetic number, because the mean of its divisors is an integer number (50056048).

Almost surely, 2^199330111 is an apocalyptic number.

199330111 is a deficient number, since it is larger than the sum of its proper divisors (894081).

199330111 is an equidigital number, since it uses as much as digits as its factorization.

199330111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894080.

The product of its (nonzero) digits is 729, while the sum is 28.

The square root of 199330111 is about 14118.4316055290. The cubic root of 199330111 is about 584.1498948676.

The spelling of 199330111 in words is "one hundred ninety-nine million, three hundred thirty thousand, one hundred eleven".