11120212109 has 4 divisors (see below), whose sum is σ = 11603699616. Its totient is φ = 10636724604.

The previous prime is 11120212093. The next prime is 11120212121. The reversal of 11120212109 is 90121202111.

11120212109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11120212109 - 2⁴ = 11120212093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11120212409) 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 3 ways as a sum of consecutive naturals, for example, 241743719 + ... + 241743764.

It is an arithmetic number, because the mean of its divisors is an integer number (2900924904).

Almost surely, 2^11120212109 is an apocalyptic number.

It is an amenable number.

11120212109 is a deficient number, since it is larger than the sum of its proper divisors (483487507).

11120212109 is an equidigital number, since it uses as much as digits as its factorization.

11120212109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483487506.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 11120212109 in words is "eleven billion, one hundred twenty million, two hundred twelve thousand, one hundred nine".