111011110101109 has 4 divisors (see below), whose sum is σ = 111017186593740. Its totient is φ = 111005033608480.

The previous prime is 111011110101043. The next prime is 111011110101121. The reversal of 111011110101109 is 901101011110111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 85678108525009 + 25333001576100 = 9256247^2 + 5033190^2 .

It is a cyclic number.

It is not a de Polignac number, because 111011110101109 - 2⁷ = 111011110100981 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 (111011110101709) 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, 3038218912 + ... + 3038255449.

It is an arithmetic number, because the mean of its divisors is an integer number (27754296648435).

Almost surely, 2^{111011110101109} is an apocalyptic number.

It is an amenable number.

111011110101109 is a deficient number, since it is larger than the sum of its proper divisors (6076492631).

111011110101109 is an equidigital number, since it uses as much as digits as its factorization.

111011110101109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6076492630.

The product of its (nonzero) digits is 9, while the sum is 19.

The spelling of 111011110101109 in words is "one hundred eleven trillion, eleven billion, one hundred ten million, one hundred one thousand, one hundred nine".