11011011020011 has 4 divisors (see below), whose sum is σ = 11245287850272. Its totient is φ = 10776734189752.

The previous prime is 11011011019969. The next prime is 11011011020069. The reversal of 11011011020011 is 11002011011011.

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 11011011020011 - 2³³ = 11002421085419 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 11011011020011.

It is not an unprimeable number, because it can be changed into a prime (11011011024011) 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, 117138415060 + ... + 117138415153.

It is an arithmetic number, because the mean of its divisors is an integer number (2811321962568).

Almost surely, 2^{11011011020011} is an apocalyptic number.

11011011020011 is a deficient number, since it is larger than the sum of its proper divisors (234276830261).

11011011020011 is an equidigital number, since it uses as much as digits as its factorization.

11011011020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234276830260.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 11011011020011 its reverse (11002011011011), we get a palindrome (22013022031022).

The spelling of 11011011020011 in words is "eleven trillion, eleven billion, eleven million, twenty thousand, eleven".