1111112001109 has 16 divisors (see below), whose sum is σ = 1287472211136. Its totient is φ = 947685011200.

The previous prime is 1111112001091. The next prime is 1111112001119. The reversal of 1111112001109 is 9011002111111.

It is a cyclic number.

It is not a de Polignac number, because 1111112001109 - 2⁹ = 1111112000597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111112001119) 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, 9312607 + ... + 9431164.

It is an arithmetic number, because the mean of its divisors is an integer number (80467013196).

Almost surely, 2^{1111112001109} is an apocalyptic number.

It is an amenable number.

1111112001109 is a deficient number, since it is larger than the sum of its proper divisors (176360210027).

1111112001109 is a wasteful number, since it uses less digits than its factorization.

1111112001109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18744116.

The product of its (nonzero) digits is 18, while the sum is 19.

The spelling of 1111112001109 in words is "one trillion, one hundred eleven billion, one hundred twelve million, one thousand, one hundred nine".