111200220009 has 8 divisors (see below), whose sum is σ = 164741066720. Its totient is φ = 74133479988.

The previous prime is 111200220007. The next prime is 111200220013. The reversal of 111200220009 is 900022002111.

It is not a de Polignac number, because 111200220009 - 2¹ = 111200220007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111200219973 and 111200220000.

It is not an unprimeable number, because it can be changed into a prime (111200220007) 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, 2059263307 + ... + 2059263360.

It is an arithmetic number, because the mean of its divisors is an integer number (20592633340).

Almost surely, 2^111200220009 is an apocalyptic number.

It is an amenable number.

111200220009 is a deficient number, since it is larger than the sum of its proper divisors (53540846711).

111200220009 is an equidigital number, since it uses as much as digits as its factorization.

111200220009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4118526676 (or 4118526670 counting only the distinct ones).

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

The spelling of 111200220009 in words is "one hundred eleven billion, two hundred million, two hundred twenty thousand, nine".