11101110109 has 4 divisors (see below), whose sum is σ = 11754116604. Its totient is φ = 10448103616.

The previous prime is 11101110091. The next prime is 11101110121. The reversal of 11101110109 is 90101110111.

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 5718686884 + 5382423225 = 75622^2 + 73365^2 .

It is a cyclic number.

It is not a de Polignac number, because 11101110109 - 2⁵ = 11101110077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11101110092 and 11101110101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101114109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326503222 + ... + 326503255.

It is an arithmetic number, because the mean of its divisors is an integer number (2938529151).

Almost surely, 2^11101110109 is an apocalyptic number.

It is an amenable number.

11101110109 is a deficient number, since it is larger than the sum of its proper divisors (653006495).

11101110109 is an equidigital number, since it uses as much as digits as its factorization.

11101110109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653006494.

The product of its (nonzero) digits is 9, while the sum is 16.

The spelling of 11101110109 in words is "eleven billion, one hundred one million, one hundred ten thousand, one hundred nine".