201111100112009 has 8 divisors (see below), whose sum is σ = 204531881062848. Its totient is φ = 197702646300720.

The previous prime is 201111100111991. The next prime is 201111100112057. The reversal of 201111100112009 is 900211001111102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201111100112009 is a prime.

It is a super-3 number, since 3×201111100112009³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201111100112099) 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, 3081751982 + ... + 3081817239.

It is an arithmetic number, because the mean of its divisors is an integer number (25566485132856).

Almost surely, 2^{201111100112009} is an apocalyptic number.

It is an amenable number.

201111100112009 is a deficient number, since it is larger than the sum of its proper divisors (3420780950839).

201111100112009 is an equidigital number, since it uses as much as digits as its factorization.

201111100112009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6163569775.

The product of its (nonzero) digits is 36, while the sum is 20.

The spelling of 201111100112009 in words is "two hundred one trillion, one hundred eleven billion, one hundred million, one hundred twelve thousand, nine".