221322144112 has 20 divisors (see below), whose sum is σ = 434239652320. Its totient is φ = 109260298368.

The previous prime is 221322144077. The next prime is 221322144163. The reversal of 221322144112 is 211441223122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87547053 + ... + 87549580.

It is an arithmetic number, because the mean of its divisors is an integer number (21711982616).

Almost surely, 2^221322144112 is an apocalyptic number.

It is an amenable number.

221322144112 is a deficient number, since it is larger than the sum of its proper divisors (212917508208).

221322144112 is a wasteful number, since it uses less digits than its factorization.

221322144112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175096720 (or 175096714 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

Adding to 221322144112 its reverse (211441223122), we get a palindrome (432763367234).

The spelling of 221322144112 in words is "two hundred twenty-one billion, three hundred twenty-two million, one hundred forty-four thousand, one hundred twelve".