111222123100009 has 16 divisors (see below), whose sum is σ = 111419866638720. Its totient is φ = 111024617777920.

The previous prime is 111222123099979. The next prime is 111222123100019. The reversal of 111222123100009 is 900001321222111.

It is a cyclic number.

It is not a de Polignac number, because 111222123100009 - 2²⁵ = 111222089545577 is a prime.

It is a super-3 number, since 3×111222123100009³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111222123100019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5374856667 + ... + 5374877359.

It is an arithmetic number, because the mean of its divisors is an integer number (6963741664920).

Almost surely, 2^{111222123100009} is an apocalyptic number.

It is an amenable number.

111222123100009 is a deficient number, since it is larger than the sum of its proper divisors (197743538711).

111222123100009 is a wasteful number, since it uses less digits than its factorization.

111222123100009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26000.

The product of its (nonzero) digits is 432, while the sum is 25.

The spelling of 111222123100009 in words is "one hundred eleven trillion, two hundred twenty-two billion, one hundred twenty-three million, one hundred thousand, nine".