110001001001 has 4 divisors (see below), whose sum is σ = 110028172500. Its totient is φ = 109973829504.

The previous prime is 110001000937. The next prime is 110001001013. The reversal of 110001001001 is 100100100011.

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 75391979776 + 34609021225 = 274576^2 + 186035^2 .

It is a cyclic number.

It is not a de Polignac number, because 110001001001 - 2⁶ = 110001000937 is a prime.

It is a Duffinian number.

110001001001 is a modest number, since divided by 1001001 gives 110 as remainder.

It is not an unprimeable number, because it can be changed into a prime (110001001051) 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, 13579676 + ... + 13587773.

It is an arithmetic number, because the mean of its divisors is an integer number (27507043125).

Almost surely, 2^110001001001 is an apocalyptic number.

It is an amenable number.

110001001001 is a deficient number, since it is larger than the sum of its proper divisors (27171499).

110001001001 is an equidigital number, since it uses as much as digits as its factorization.

110001001001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27171498.

The product of its (nonzero) digits is 1, while the sum is 5.

Adding to 110001001001 its reverse (100100100011), we get a palindrome (210101101012).

The spelling of 110001001001 in words is "one hundred ten billion, one million, one thousand, one".