11101211120011 has 4 divisors (see below), whose sum is σ = 11140438014712. Its totient is φ = 11061984225312.

The previous prime is 11101211119997. The next prime is 11101211120017. The reversal of 11101211120011 is 11002111210111.

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 11101211120011 - 2⁵ = 11101211119979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11101211119973 and 11101211120000.

It is not an unprimeable number, because it can be changed into a prime (11101211120017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19613446926 + ... + 19613447491.

It is an arithmetic number, because the mean of its divisors is an integer number (2785109503678).

Almost surely, 2^{11101211120011} is an apocalyptic number.

11101211120011 is a deficient number, since it is larger than the sum of its proper divisors (39226894701).

11101211120011 is an equidigital number, since it uses as much as digits as its factorization.

11101211120011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39226894700.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 11101211120011 its reverse (11002111210111), we get a palindrome (22103322330122).

It can be divided in two parts, 11101 and 211120011, that added together give a palindrome (211131112).

The spelling of 11101211120011 in words is "eleven trillion, one hundred one billion, two hundred eleven million, one hundred twenty thousand, eleven".