1100000001101 has 4 divisors (see below), whose sum is σ = 1100002633692. Its totient is φ = 1099997368512.

The previous prime is 1100000001097. The next prime is 1100000001127. The reversal of 1100000001101 is 1011000000011.

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 689022845476 + 410977155625 = 830074^2 + 641075^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100000001101 - 2² = 1100000001097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100000003101) 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 3 ways as a sum of consecutive naturals, for example, 534926 + ... + 1576751.

It is an arithmetic number, because the mean of its divisors is an integer number (275000658423).

Almost surely, 2^{1100000001101} is an apocalyptic number.

It is an amenable number.

1100000001101 is a deficient number, since it is larger than the sum of its proper divisors (2632591).

1100000001101 is an equidigital number, since it uses as much as digits as its factorization.

1100000001101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2632590.

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

Adding to 1100000001101 its reverse (1011000000011), we get a palindrome (2111000001112).

The spelling of 1100000001101 in words is "one trillion, one hundred billion, one thousand, one hundred one".