201122221021112 has 64 divisors (see below), whose sum is σ = 392156556105600. Its totient is φ = 96584447232000.

The previous prime is 201122221021069. The next prime is 201122221021147. The reversal of 201122221021112 is 211120122221102.

201122221021112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 48961562 + ... + 52910102.

It is an arithmetic number, because the mean of its divisors is an integer number (6127446189150).

Almost surely, 2^{201122221021112} is an apocalyptic number.

It is an amenable number.

201122221021112 is a deficient number, since it is larger than the sum of its proper divisors (191034335084488).

201122221021112 is a wasteful number, since it uses less digits than its factorization.

201122221021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3949728 (or 3949724 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 201122221021112 its reverse (211120122221102), we get a palindrome (412242343242214).

The spelling of 201122221021112 in words is "two hundred one trillion, one hundred twenty-two billion, two hundred twenty-one million, twenty-one thousand, one hundred twelve".