111110099966 has 4 divisors (see below), whose sum is σ = 166665149952. Its totient is φ = 55555049982.

The previous prime is 111110099929. The next prime is 111110100041. The reversal of 111110099966 is 669990011111.

It is a happy number.

111110099966 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27777524990 + ... + 27777524993.

It is an arithmetic number, because the mean of its divisors is an integer number (41666287488).

Almost surely, 2^111110099966 is an apocalyptic number.

111110099966 is a deficient number, since it is larger than the sum of its proper divisors (55555049986).

111110099966 is an equidigital number, since it uses as much as digits as its factorization.

111110099966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55555049985.

The product of its (nonzero) digits is 26244, while the sum is 44.

The spelling of 111110099966 in words is "one hundred eleven billion, one hundred ten million, ninety-nine thousand, nine hundred sixty-six".