7113168240221 has 8 divisors (see below), whose sum is σ = 7156178077440. Its totient is φ = 7070257619712.

The previous prime is 7113168240209. The next prime is 7113168240223. The reversal of 7113168240221 is 1220428613117.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7113168240221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7113168240223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24660356 + ... + 24947133.

It is an arithmetic number, because the mean of its divisors is an integer number (894522259680).

Almost surely, 2^{7113168240221} is an apocalyptic number.

It is an amenable number.

7113168240221 is a deficient number, since it is larger than the sum of its proper divisors (43009837219).

7113168240221 is a wasteful number, since it uses less digits than its factorization.

7113168240221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49608355.

The product of its (nonzero) digits is 32256, while the sum is 38.

The spelling of 7113168240221 in words is "seven trillion, one hundred thirteen billion, one hundred sixty-eight million, two hundred forty thousand, two hundred twenty-one".