111001100009 has 16 divisors (see below), whose sum is σ = 116048903040. Its totient is φ = 105972007680.

The previous prime is 111001100003. The next prime is 111001100053. The reversal of 111001100009 is 900001100111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 111001100009 - 2⁸ = 111001099753 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 111001099966 and 111001100002.

It is not an unprimeable number, because it can be changed into a prime (111001100003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44811479 + ... + 44813955.

It is an arithmetic number, because the mean of its divisors is an integer number (7253056440).

Almost surely, 2^111001100009 is an apocalyptic number.

It is an amenable number.

111001100009 is a deficient number, since it is larger than the sum of its proper divisors (5047803031).

111001100009 is a wasteful number, since it uses less digits than its factorization.

111001100009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5440.

The product of its (nonzero) digits is 9, while the sum is 14.

The spelling of 111001100009 in words is "one hundred eleven billion, one million, one hundred thousand, nine".