111120066 has 16 divisors (see below), whose sum is σ = 246933600. Its totient is φ = 37040004.

The previous prime is 111120059. The next prime is 111120067. The reversal of 111120066 is 660021111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (111120067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1028836 + ... + 1028943.

It is an arithmetic number, because the mean of its divisors is an integer number (15433350).

Almost surely, 2^111120066 is an apocalyptic number.

111120066 is an abundant number, since it is smaller than the sum of its proper divisors (135813534).

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

111120066 is a wasteful number, since it uses less digits than its factorization.

111120066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2057790 (or 2057784 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 111120066 is about 10541.3502930128. The cubic root of 111120066 is about 480.7627716068.

Adding to 111120066 its reverse (660021111), we get a palindrome (771141177).

The spelling of 111120066 in words is "one hundred eleven million, one hundred twenty thousand, sixty-six".