111012122000009 has 4 divisors (see below), whose sum is σ = 111084067641216. Its totient is φ = 110940176358804.

The previous prime is 111012121999973. The next prime is 111012122000083. The reversal of 111012122000009 is 900000221210111.

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 a de Polignac number, because none of the positive numbers 2^k-111012122000009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111012122000509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35972818289 + ... + 35972821374.

It is an arithmetic number, because the mean of its divisors is an integer number (27771016910304).

Almost surely, 2^{111012122000009} is an apocalyptic number.

It is an amenable number.

111012122000009 is a deficient number, since it is larger than the sum of its proper divisors (71945641207).

111012122000009 is an equidigital number, since it uses as much as digits as its factorization.

111012122000009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71945641206.

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

The spelling of 111012122000009 in words is "one hundred eleven trillion, twelve billion, one hundred twenty-two million, nine", and thus it is an aban number.