1000111001001 has 8 divisors (see below), whose sum is σ = 1523978668224. Its totient is φ = 571492000560.

The previous prime is 1000111000969. The next prime is 1000111001003. The reversal of 1000111001001 is 1001001110001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1000111001001 - 2⁵ = 1000111000969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1000111001003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23812166670 + ... + 23812166711.

It is an arithmetic number, because the mean of its divisors is an integer number (190497333528).

Almost surely, 2^{1000111001001} is an apocalyptic number.

It is an amenable number.

1000111001001 is a deficient number, since it is larger than the sum of its proper divisors (523867667223).

1000111001001 is an equidigital number, since it uses as much as digits as its factorization.

1000111001001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47624333391.

The product of its (nonzero) digits is 1, while the sum is 6.

Adding to 1000111001001 its reverse (1001001110001), we get a palindrome (2001112111002).

The spelling of 1000111001001 in words is "one trillion, one hundred eleven million, one thousand, one".