111102112012011 has 32 divisors (see below), whose sum is σ = 153953204912640. Its totient is φ = 71183315809536.

The previous prime is 111102112011983. The next prime is 111102112012049. The reversal of 111102112012011 is 110210211201111.

It is not a de Polignac number, because 111102112012011 - 2¹⁴ = 111102111995627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111102112012081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89577775 + ... + 90809591.

It is an arithmetic number, because the mean of its divisors is an integer number (4811037653520).

Almost surely, 2^{111102112012011} is an apocalyptic number.

111102112012011 is a deficient number, since it is larger than the sum of its proper divisors (42851092900629).

111102112012011 is a wasteful number, since it uses less digits than its factorization.

111102112012011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236643.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 111102112012011 its reverse (110210211201111), we get a palindrome (221312323213122).

The spelling of 111102112012011 in words is "one hundred eleven trillion, one hundred two billion, one hundred twelve million, twelve thousand, eleven".