111102666 has 8 divisors (see below), whose sum is σ = 222205344. Its totient is φ = 37034220.

The previous prime is 111102659. The next prime is 111102697. The reversal of 111102666 is 666201111.

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

111102666 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9258550 + ... + 9258561.

It is an arithmetic number, because the mean of its divisors is an integer number (27775668).

Almost surely, 2^111102666 is an apocalyptic number.

111102666 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.

111102666 is a wasteful number, since it uses less digits than its factorization.

111102666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18517116.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 111102666 is about 10540.5249394895. The cubic root of 111102666 is about 480.7376765027.

Adding to 111102666 its reverse (666201111), we get a palindrome (777303777).

The spelling of 111102666 in words is "one hundred eleven million, one hundred two thousand, six hundred sixty-six".