201122201221012 has 48 divisors (see below), whose sum is σ = 360190867599360. Its totient is φ = 98227358266752.

The previous prime is 201122201220971. The next prime is 201122201221031. The reversal of 201122201221012 is 210122102221102.

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, 943035373 + ... + 943248619.

It is an arithmetic number, because the mean of its divisors is an integer number (7503976408320).

Almost surely, 2^{201122201221012} is an apocalyptic number.

It is an amenable number.

201122201221012 is a deficient number, since it is larger than the sum of its proper divisors (159068666378348).

201122201221012 is a wasteful number, since it uses less digits than its factorization.

201122201221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232960 (or 232958 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 201122201221012 its reverse (210122102221102), we get a palindrome (411244303442114).

The spelling of 201122201221012 in words is "two hundred one trillion, one hundred twenty-two billion, two hundred one million, two hundred twenty-one thousand, twelve".