201120011112 has 64 divisors (see below), whose sum is σ = 522610966080. Its totient is φ = 64442207232.

The previous prime is 201120011111. The next prime is 201120011129. The reversal of 201120011112 is 211110021102.

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 (201120011111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1290673 + ... + 1438080.

It is an arithmetic number, because the mean of its divisors is an integer number (8165796345).

Almost surely, 2^201120011112 is an apocalyptic number.

It is an amenable number.

201120011112 is an abundant number, since it is smaller than the sum of its proper divisors (321490954968).

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

201120011112 is a wasteful number, since it uses less digits than its factorization.

201120011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2728882 (or 2728878 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 201120011112 its reverse (211110021102), we get a palindrome (412230032214).

The spelling of 201120011112 in words is "two hundred one billion, one hundred twenty million, eleven thousand, one hundred twelve".