200112211111 has 4 divisors (see below), whose sum is σ = 203392739224. Its totient is φ = 196831683000.

The previous prime is 200112211087. The next prime is 200112211139. The reversal of 200112211111 is 111112211002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 200112211111 - 2⁷ = 200112210983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200112211091 and 200112211100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200112211171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1640263965 + ... + 1640264086.

It is an arithmetic number, because the mean of its divisors is an integer number (50848184806).

Almost surely, 2^200112211111 is an apocalyptic number.

200112211111 is a deficient number, since it is larger than the sum of its proper divisors (3280528113).

200112211111 is an equidigital number, since it uses as much as digits as its factorization.

200112211111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3280528112.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 200112211111 its reverse (111112211002), we get a palindrome (311224422113).

The spelling of 200112211111 in words is "two hundred billion, one hundred twelve million, two hundred eleven thousand, one hundred eleven".