110001110001001 has 4 divisors (see below), whose sum is σ = 110001157709652. Its totient is φ = 110001062292352.

The previous prime is 110001110000987. The next prime is 110001110001071. The reversal of 110001110001001 is 100100011100011.

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 104588154117225 + 5412955883776 = 10226835^2 + 2326576^2 .

It is a cyclic number.

It is not a de Polignac number, because 110001110001001 - 2¹⁷ = 110001109869929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110001110001071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20210236 + ... + 25069021.

It is an arithmetic number, because the mean of its divisors is an integer number (27500289427413).

Almost surely, 2^{110001110001001} is an apocalyptic number.

It is an amenable number.

110001110001001 is a deficient number, since it is larger than the sum of its proper divisors (47708651).

110001110001001 is an equidigital number, since it uses as much as digits as its factorization.

110001110001001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47708650.

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 110001110001001 its reverse (100100011100011), we get a palindrome (210101121101012).

The spelling of 110001110001001 in words is "one hundred ten trillion, one billion, one hundred ten million, one thousand, one".