200112111 has 6 divisors (see below), whose sum is σ = 289050840. Its totient is φ = 133408068.

The previous prime is 200112109. The next prime is 200112127. The reversal of 200112111 is 111211002.

It is a happy number.

It is not a de Polignac number, because 200112111 - 2¹ = 200112109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 22234679 = 200112111 / (2 + 0 + 0 + 1 + 1 + 2 + 1 + 1 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 200112093 and 200112102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200112191) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11117331 + ... + 11117348.

It is an arithmetic number, because the mean of its divisors is an integer number (48175140).

Almost surely, 2^200112111 is an apocalyptic number.

200112111 is a deficient number, since it is larger than the sum of its proper divisors (88938729).

200112111 is a wasteful number, since it uses less digits than its factorization.

200112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22234685 (or 22234682 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 200112111 is about 14146.0987908328. The cubic root of 200112111 is about 584.9127987489.

Adding to 200112111 its reverse (111211002), we get a palindrome (311323113).

It can be divided in two parts, 20011 and 2111, that added together give a palindrome (22122).

The spelling of 200112111 in words is "two hundred million, one hundred twelve thousand, one hundred eleven".