112020011109 has 24 divisors (see below), whose sum is σ = 162740682104. Its totient is φ = 74249136000.

The previous prime is 112020011099. The next prime is 112020011161. The reversal of 112020011109 is 901110020211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2622464100 + 109397547009 = 51210^2 + 330753^2 .

It is not a de Polignac number, because 112020011109 - 2⁴ = 112020011093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112020011091 and 112020011100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112020011009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11041179 + ... + 11051319.

Almost surely, 2^112020011109 is an apocalyptic number.

It is an amenable number.

112020011109 is a deficient number, since it is larger than the sum of its proper divisors (50720670995).

112020011109 is a wasteful number, since it uses less digits than its factorization.

112020011109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17109 (or 17106 counting only the distinct ones).

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

The spelling of 112020011109 in words is "one hundred twelve billion, twenty million, eleven thousand, one hundred nine".