10111199 has 6 divisors (see below), whose sum is σ = 11762064. Its totient is φ = 8666700.

The previous prime is 10111187. The next prime is 10111207. The reversal of 10111199 is 99111101.

It is a happy number.

It is not a de Polignac number, because 10111199 - 2⁸ = 10110943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10111109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 103127 + ... + 103224.

It is an arithmetic number, because the mean of its divisors is an integer number (1960344).

Almost surely, 2^10111199 is an apocalyptic number.

10111199 is a deficient number, since it is larger than the sum of its proper divisors (1650865).

10111199 is an equidigital number, since it uses as much as digits as its factorization.

10111199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206365 (or 206358 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 23.

The square root of 10111199 is about 3179.8111579149. The cubic root of 10111199 is about 216.2390970925.

The spelling of 10111199 in words is "ten million, one hundred eleven thousand, one hundred ninety-nine".