111001116105 has 48 divisors (see below), whose sum is σ = 215565839424. Its totient is φ = 52364154240.

The previous prime is 111001116103. The next prime is 111001116139. The reversal of 111001116105 is 501611100111.

It is a happy number.

It is not a de Polignac number, because 111001116105 - 2¹ = 111001116103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111001116103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3012019 + ... + 3048648.

It is an arithmetic number, because the mean of its divisors is an integer number (4490954988).

Almost surely, 2^111001116105 is an apocalyptic number.

111001116105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

111001116105 is a deficient number, since it is larger than the sum of its proper divisors (104564723319).

111001116105 is a wasteful number, since it uses less digits than its factorization.

111001116105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6060726 (or 6060723 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 18.

Adding to 111001116105 its reverse (501611100111), we get a palindrome (612612216216).

The spelling of 111001116105 in words is "one hundred eleven billion, one million, one hundred sixteen thousand, one hundred five".