11001120011 has 4 divisors (see below), whose sum is σ = 12572708592. Its totient is φ = 9429531432.

The previous prime is 11001119989. The next prime is 11001120037. The reversal of 11001120011 is 11002110011.

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 11001120011 - 2³⁰ = 9927378187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11001126011) 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, 785794280 + ... + 785794293.

It is an arithmetic number, because the mean of its divisors is an integer number (3143177148).

Almost surely, 2^11001120011 is an apocalyptic number.

11001120011 is a deficient number, since it is larger than the sum of its proper divisors (1571588581).

11001120011 is an equidigital number, since it uses as much as digits as its factorization.

11001120011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571588580.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 11001120011 its reverse (11002110011), we get a palindrome (22003230022).

The spelling of 11001120011 in words is "eleven billion, one million, one hundred twenty thousand, eleven".