200111112 has 48 divisors (see below), whose sum is σ = 542855040. Its totient is φ = 66594528.

The previous prime is 200111069. The next prime is 200111113. The reversal of 200111112 is 211111002.

It is a happy number.

200111112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 200111094 and 200111103.

It is not an unprimeable number, because it can be changed into a prime (200111113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50433 + ... + 54255.

It is an arithmetic number, because the mean of its divisors is an integer number (11309480).

Almost surely, 2^200111112 is an apocalyptic number.

It is an amenable number.

200111112 is an abundant number, since it is smaller than the sum of its proper divisors (342743928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200111112 is a wasteful number, since it uses less digits than its factorization.

200111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4562 (or 4555 counting only the distinct ones).

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

The square root of 200111112 is about 14146.0634807002. The cubic root of 200111112 is about 584.9118254131.

Adding to 200111112 its reverse (211111002), we get a palindrome (411222114).

The spelling of 200111112 in words is "two hundred million, one hundred eleven thousand, one hundred twelve".