11120211009 has 8 divisors (see below), whose sum is σ = 16474386720. Its totient is φ = 7413473988.

The previous prime is 11120211007. The next prime is 11120211013. The reversal of 11120211009 is 90011202111.

It is a happy number.

It is not a de Polignac number, because 11120211009 - 2¹ = 11120211007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11120210982 and 11120211000.

It is not an unprimeable number, because it can be changed into a prime (11120211007) 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, 205929807 + ... + 205929860.

It is an arithmetic number, because the mean of its divisors is an integer number (2059298340).

Almost surely, 2^11120211009 is an apocalyptic number.

It is an amenable number.

11120211009 is a deficient number, since it is larger than the sum of its proper divisors (5354175711).

11120211009 is an equidigital number, since it uses as much as digits as its factorization.

11120211009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411859676 (or 411859670 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The spelling of 11120211009 in words is "eleven billion, one hundred twenty million, two hundred eleven thousand, nine".