199110001 has 8 divisors (see below), whose sum is σ = 215308800. Its totient is φ = 183409728.

The previous prime is 199109983. The next prime is 199110013. The reversal of 199110001 is 100011991.

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

It is a cyclic number.

It is not a de Polignac number, because 199110001 - 2¹⁷ = 198978929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199110601) 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, 123801 + ... + 125398.

It is an arithmetic number, because the mean of its divisors is an integer number (26913600).

Almost surely, 2^199110001 is an apocalyptic number.

It is an amenable number.

199110001 is a deficient number, since it is larger than the sum of its proper divisors (16198799).

199110001 is a wasteful number, since it uses less digits than its factorization.

199110001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249263.

The product of its (nonzero) digits is 81, while the sum is 22.

The square root of 199110001 is about 14110.6343230912. The cubic root of 199110001 is about 583.9348001037.

Adding to 199110001 its reverse (100011991), we get a palindrome (299121992).

It can be divided in two parts, 1991 and 10001, that multiplied together give a palindrome (19911991).

The spelling of 199110001 in words is "one hundred ninety-nine million, one hundred ten thousand, one".