1001100110011 has 4 divisors (see below), whose sum is σ = 1010284514800. Its totient is φ = 991915705224.

The previous prime is 1001100109991. The next prime is 1001100110069. The reversal of 1001100110011 is 1100110011001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1001100110011 - 2¹⁹ = 1001099585723 is a prime.

It is a Duffinian number.

1001100110011 is a modest number, since divided by 110011 gives 10011 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 1001100109976 and 1001100110003.

It is not an unprimeable number, because it can be changed into a prime (1001100110081) 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, 4592202231 + ... + 4592202448.

It is an arithmetic number, because the mean of its divisors is an integer number (252571128700).

Almost surely, 2^{1001100110011} is an apocalyptic number.

1001100110011 is a deficient number, since it is larger than the sum of its proper divisors (9184404789).

1001100110011 is an equidigital number, since it uses as much as digits as its factorization.

1001100110011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9184404788.

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

Adding to 1001100110011 its reverse (1100110011001), we get a palindrome (2101210121012).

It can be divided in two parts, 1001100 and 110011, that added together give a palindrome (1111111).

The spelling of 1001100110011 in words is "one trillion, one billion, one hundred million, one hundred ten thousand, eleven".