201112111112 has 16 divisors (see below), whose sum is σ = 411365682000. Its totient is φ = 91414595920.

The previous prime is 201112111097. The next prime is 201112111133. The reversal of 201112111112 is 211111211102.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1142682362 + ... + 1142682537.

It is an arithmetic number, because the mean of its divisors is an integer number (25710355125).

Almost surely, 2^201112111112 is an apocalyptic number.

201112111112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

201112111112 is an abundant number, since it is smaller than the sum of its proper divisors (210253570888).

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

201112111112 is a wasteful number, since it uses less digits than its factorization.

201112111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2285364916 (or 2285364912 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 201112111112 its reverse (211111211102), we get a palindrome (412223322214).

The spelling of 201112111112 in words is "two hundred one billion, one hundred twelve million, one hundred eleven thousand, one hundred twelve".