1000110111001 has 4 divisors (see below), whose sum is σ = 1001274384400. Its totient is φ = 998945837604.

The previous prime is 1000110110999. The next prime is 1000110111043. The reversal of 1000110111001 is 1001110110001.

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.

It is a cyclic number.

It is not a de Polignac number, because 1000110111001 - 2¹ = 1000110110999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000110111901) 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, 582135411 + ... + 582137128.

It is an arithmetic number, because the mean of its divisors is an integer number (250318596100).

Almost surely, 2^{1000110111001} is an apocalyptic number.

It is an amenable number.

1000110111001 is a deficient number, since it is larger than the sum of its proper divisors (1164273399).

1000110111001 is an equidigital number, since it uses as much as digits as its factorization.

1000110111001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164273398.

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

Adding to 1000110111001 its reverse (1001110110001), we get a palindrome (2001220221002).

It can be divided in two parts, 1000110 and 111001, that added together give a palindrome (1111111).

The spelling of 1000110111001 in words is "one trillion, one hundred ten million, one hundred eleven thousand, one".