111001201009 has 8 divisors (see below), whose sum is σ = 114868800000. Its totient is φ = 107136266832.

The previous prime is 111001201001. The next prime is 111001201013. The reversal of 111001201009 is 900102100111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111001201009 - 2³ = 111001201001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111001200983 and 111001201001.

It is not an unprimeable number, because it can be changed into a prime (111001201001) 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, 581259 + ... + 748240.

It is an arithmetic number, because the mean of its divisors is an integer number (14358600000).

Almost surely, 2^111001201009 is an apocalyptic number.

It is an amenable number.

111001201009 is a deficient number, since it is larger than the sum of its proper divisors (3867598991).

111001201009 is a wasteful number, since it uses less digits than its factorization.

111001201009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332407.

The product of its (nonzero) digits is 18, while the sum is 16.

The spelling of 111001201009 in words is "one hundred eleven billion, one million, two hundred one thousand, nine".