111143346 has 8 divisors (see below), whose sum is σ = 222286704. Its totient is φ = 37047780.

The previous prime is 111143323. The next prime is 111143363. The reversal of 111143346 is 643341111.

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

111143346 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 9261940 + ... + 9261951.

It is an arithmetic number, because the mean of its divisors is an integer number (27785838).

Almost surely, 2^111143346 is an apocalyptic number.

111143346 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

111143346 is a wasteful number, since it uses less digits than its factorization.

111143346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18523896.

The product of its digits is 864, while the sum is 24.

The square root of 111143346 is about 10542.4544580472. The cubic root of 111143346 is about 480.7963430286.

Adding to 111143346 its reverse (643341111), we get a palindrome (754484457).

The spelling of 111143346 in words is "one hundred eleven million, one hundred forty-three thousand, three hundred forty-six".