1101001101011 has 8 divisors (see below), whose sum is σ = 1324512602880. Its totient is φ = 894046006728.

The previous prime is 1101001100977. The next prime is 1101001101023. The reversal of 1101001101011 is 1101011001011.

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

It is not a de Polignac number, because 1101001101011 - 2¹⁸ = 1101000838867 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1101001101011.

It is not an unprimeable number, because it can be changed into a prime (1101001101071) 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, 4139101751 + ... + 4139102016.

It is an arithmetic number, because the mean of its divisors is an integer number (165564075360).

Almost surely, 2^{1101001101011} is an apocalyptic number.

1101001101011 is a deficient number, since it is larger than the sum of its proper divisors (223511501869).

1101001101011 is an equidigital number, since it uses as much as digits as its factorization.

1101001101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8278203793.

The product of its (nonzero) digits is 1, while the sum is 8.

Adding to 1101001101011 its reverse (1101011001011), we get a palindrome (2202012102022).

The spelling of 1101001101011 in words is "one trillion, one hundred one billion, one million, one hundred one thousand, eleven".