201321243224 has 16 divisors (see below), whose sum is σ = 399681880200. Its totient is φ = 94739408512.

The previous prime is 201321243191. The next prime is 201321243281. The reversal of 201321243224 is 422342123102.

It is a junction number, because it is equal to n+sod(n) for n = 201321243193 and 201321243202.

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, 740151494 + ... + 740151765.

Almost surely, 2^201321243224 is an apocalyptic number.

It is an amenable number.

201321243224 is a deficient number, since it is larger than the sum of its proper divisors (198360636976).

201321243224 is a wasteful number, since it uses less digits than its factorization.

201321243224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1480303282 (or 1480303278 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 201321243224 its reverse (422342123102), we get a palindrome (623663366326).

The spelling of 201321243224 in words is "two hundred one billion, three hundred twenty-one million, two hundred forty-three thousand, two hundred twenty-four".