201111320112 has 80 divisors (see below), whose sum is σ = 523390429440. Its totient is φ = 66541332736.

The previous prime is 201111320087. The next prime is 201111320119. The reversal of 201111320112 is 211023111102.

201111320112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 201111320091 and 201111320100.

It is not an unprimeable number, because it can be changed into a prime (201111320119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4764733 + ... + 4806755.

It is an arithmetic number, because the mean of its divisors is an integer number (6542380368).

Almost surely, 2^201111320112 is an apocalyptic number.

It is an amenable number.

201111320112 is an abundant number, since it is smaller than the sum of its proper divisors (322279109328).

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

201111320112 is a wasteful number, since it uses less digits than its factorization.

201111320112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42770 (or 42764 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 201111320112 its reverse (211023111102), we get a palindrome (412134431214).

The spelling of 201111320112 in words is "two hundred one billion, one hundred eleven million, three hundred twenty thousand, one hundred twelve".