201022122111112 has 64 divisors (see below), whose sum is σ = 387227110533120. Its totient is φ = 97788618477888.

The previous prime is 201022122111079. The next prime is 201022122111143. The reversal of 201022122111112 is 211111221220102.

It is a happy number.

201022122111112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 201022122111112.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44004223 + ... + 48357169.

It is an arithmetic number, because the mean of its divisors is an integer number (6050423602080).

Almost surely, 2^{201022122111112} is an apocalyptic number.

It is an amenable number.

201022122111112 is a deficient number, since it is larger than the sum of its proper divisors (186204988422008).

201022122111112 is a wasteful number, since it uses less digits than its factorization.

201022122111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4353730 (or 4353726 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 201022122111112 its reverse (211111221220102), we get a palindrome (412133343331214).

The spelling of 201022122111112 in words is "two hundred one trillion, twenty-two billion, one hundred twenty-two million, one hundred eleven thousand, one hundred twelve".