111100200001999 has 8 divisors (see below), whose sum is σ = 119646484528032. Its totient is φ = 102553931946720.

The previous prime is 111100200001993. The next prime is 111100200002093. The reversal of 111100200001999 is 999100002001111.

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 111100200001999 - 2²¹ = 111100197904847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111100200001993) 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, 12323037 + ... + 19340569.

It is an arithmetic number, because the mean of its divisors is an integer number (14955810566004).

Almost surely, 2^{111100200001999} is an apocalyptic number.

111100200001999 is a deficient number, since it is larger than the sum of its proper divisors (8546284526033).

111100200001999 is a wasteful number, since it uses less digits than its factorization.

111100200001999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8235377.

The product of its (nonzero) digits is 1458, while the sum is 34.

The spelling of 111100200001999 in words is "one hundred eleven trillion, one hundred billion, two hundred million, one thousand, nine hundred ninety-nine".