201201221112 has 16 divisors (see below), whose sum is σ = 503003052840. Its totient is φ = 67067073696.

The previous prime is 201201221093. The next prime is 201201221113. The reversal of 201201221112 is 211122102102.

201201221112 is digitally balanced in base 7, 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 = 201201221091 and 201201221100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201201221113) 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 3 ways as a sum of consecutive naturals, for example, 4191692083 + ... + 4191692130.

Almost surely, 2^201201221112 is an apocalyptic number.

It is an amenable number.

201201221112 is an abundant number, since it is smaller than the sum of its proper divisors (301801831728).

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

201201221112 is a wasteful number, since it uses less digits than its factorization.

201201221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8383384222 (or 8383384218 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 201201221112 its reverse (211122102102), we get a palindrome (412323323214).

The spelling of 201201221112 in words is "two hundred one billion, two hundred one million, two hundred twenty-one thousand, one hundred twelve".