11022012009 has 8 divisors (see below), whose sum is σ = 16328906720. Its totient is φ = 7348007988.

The previous prime is 11022011927. The next prime is 11022012011. The reversal of 11022012009 is 90021022011.

11022012009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11022012009 - 2⁸ = 11022011753 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11022011982 and 11022012000.

It is not an unprimeable number, because it can be changed into a prime (11022012059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204111307 + ... + 204111360.

It is an arithmetic number, because the mean of its divisors is an integer number (2041113340).

Almost surely, 2^11022012009 is an apocalyptic number.

It is an amenable number.

11022012009 is a deficient number, since it is larger than the sum of its proper divisors (5306894711).

11022012009 is an equidigital number, since it uses as much as digits as its factorization.

11022012009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408222676 (or 408222670 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The spelling of 11022012009 in words is "eleven billion, twenty-two million, twelve thousand, nine".