111011011111066 has 8 divisors (see below), whose sum is σ = 181654381818144. Its totient is φ = 50459550505020.

The previous prime is 111011011110983. The next prime is 111011011111067. The reversal of 111011011111066 is 660111110110111.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 5045955050503 = 111011011111066 / (1 + 1 + 1 + 0 + 1 + 1 + 0 + 1 + 1 + 1 + 1 + 1 + 0 + 6 + 6).

It is not an unprimeable number, because it can be changed into a prime (111011011111067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2522977525230 + ... + 2522977525273.

It is an arithmetic number, because the mean of its divisors is an integer number (22706797727268).

Almost surely, 2^{111011011111066} is an apocalyptic number.

111011011111066 is a deficient number, since it is larger than the sum of its proper divisors (70643370707078).

111011011111066 is a wasteful number, since it uses less digits than its factorization.

111011011111066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5045955050516.

The product of its (nonzero) digits is 36, while the sum is 22.

Adding to 111011011111066 its reverse (660111110110111), we get a palindrome (771122121221177).

The spelling of 111011011111066 in words is "one hundred eleven trillion, eleven billion, eleven million, one hundred eleven thousand, sixty-six".