201311112 has 32 divisors (see below), whose sum is σ = 503676000. Its totient is φ = 67050624.

The previous prime is 201311101. The next prime is 201311113. The reversal of 201311112 is 211113102.

201311112 is digitally balanced in base 3, 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 (12).

It is not an unprimeable number, because it can be changed into a prime (201311113) 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, 38308 + ... + 43244.

It is an arithmetic number, because the mean of its divisors is an integer number (15739875).

Almost surely, 2^201311112 is an apocalyptic number.

It is an amenable number.

201311112 is an abundant number, since it is smaller than the sum of its proper divisors (302364888).

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

201311112 is a wasteful number, since it uses less digits than its factorization.

201311112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6645 (or 6641 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 201311112 is about 14188.4147106010. The cubic root of 201311112 is about 586.0786702226.

Adding to 201311112 its reverse (211113102), we get a palindrome (412424214).

The spelling of 201311112 in words is "two hundred one million, three hundred eleven thousand, one hundred twelve".