221144143196 has 12 divisors (see below), whose sum is σ = 387088647120. Its totient is φ = 110547386880.

The previous prime is 221144143183. The next prime is 221144143229. The reversal of 221144143196 is 691341441122.

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, 6151016 + ... + 6186863.

It is an arithmetic number, because the mean of its divisors is an integer number (32257387260).

Almost surely, 2^221144143196 is an apocalyptic number.

It is an amenable number.

221144143196 is a deficient number, since it is larger than the sum of its proper divisors (165944503924).

221144143196 is a wasteful number, since it uses less digits than its factorization.

221144143196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12342364 (or 12342362 counting only the distinct ones).

The product of its digits is 41472, while the sum is 38.

The spelling of 221144143196 in words is "two hundred twenty-one billion, one hundred forty-four million, one hundred forty-three thousand, one hundred ninety-six".