111200200021 has 8 divisors (see below), whose sum is σ = 112032539360. Its totient is φ = 110368322928.

The previous prime is 111200200019. The next prime is 111200200091. The reversal of 111200200021 is 120002002111.

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 111200200021 - 2¹ = 111200200019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111200199980 and 111200200007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111200200091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375130 + ... + 602596.

It is an arithmetic number, because the mean of its divisors is an integer number (14004067420).

Almost surely, 2^111200200021 is an apocalyptic number.

It is an amenable number.

111200200021 is a deficient number, since it is larger than the sum of its proper divisors (832339339).

111200200021 is a wasteful number, since it uses less digits than its factorization.

111200200021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231123.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 111200200021 its reverse (120002002111), we get a palindrome (231202202132).

The spelling of 111200200021 in words is "one hundred eleven billion, two hundred million, two hundred thousand, twenty-one".