221203141112 has 16 divisors (see below), whose sum is σ = 414782631360. Its totient is φ = 110594439424.

The previous prime is 221203141111. The next prime is 221203141121. The reversal of 221203141112 is 211141302122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221203141111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 758393 + ... + 1008744.

It is an arithmetic number, because the mean of its divisors is an integer number (25923914460).

Almost surely, 2^221203141112 is an apocalyptic number.

It is an amenable number.

221203141112 is a deficient number, since it is larger than the sum of its proper divisors (193579490248).

221203141112 is a wasteful number, since it uses less digits than its factorization.

221203141112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1782790 (or 1782786 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 221203141112 its reverse (211141302122), we get a palindrome (432344443234).

The spelling of 221203141112 in words is "two hundred twenty-one billion, two hundred three million, one hundred forty-one thousand, one hundred twelve".