1100001001111 has 8 divisors (see below), whose sum is σ = 1104842232000. Its totient is φ = 1095161760000.

The previous prime is 1100001001103. The next prime is 1100001001147. The reversal of 1100001001111 is 1111001000011.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1100001001111 - 2³ = 1100001001103 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100001001094 and 1100001001103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100001071111) 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 7 ways as a sum of consecutive naturals, for example, 616111 + ... + 1606111.

It is an arithmetic number, because the mean of its divisors is an integer number (138105279000).

Almost surely, 2^{1100001001111} is an apocalyptic number.

1100001001111 is a deficient number, since it is larger than the sum of its proper divisors (4841230889).

1100001001111 is an equidigital number, since it uses as much as digits as its factorization.

1100001001111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994889.

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

Adding to 1100001001111 its reverse (1111001000011), we get a palindrome (2211002001122).

It can be divided in two parts, 110000 and 1001111, that added together give a palindrome (1111111).

The spelling of 1100001001111 in words is "one trillion, one hundred billion, one million, one thousand, one hundred eleven".