110001001109 has 4 divisors (see below), whose sum is σ = 110001827616. Its totient is φ = 110000174604.

The previous prime is 110001001081. The next prime is 110001001139. The reversal of 110001001109 is 901100100011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 901100100011 = 5323 ⋅169284257.

It is a cyclic number.

It is not a de Polignac number, because 110001001109 - 2²⁸ = 109732565653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110001001093 and 110001001102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110001001139) 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, 163169 + ... + 496614.

It is an arithmetic number, because the mean of its divisors is an integer number (27500456904).

Almost surely, 2^110001001109 is an apocalyptic number.

It is an amenable number.

110001001109 is a deficient number, since it is larger than the sum of its proper divisors (826507).

110001001109 is an equidigital number, since it uses as much as digits as its factorization.

110001001109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826506.

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

The spelling of 110001001109 in words is "one hundred ten billion, one million, one thousand, one hundred nine".