21113330233201 has 8 divisors (see below), whose sum is σ = 22355331009120. Its totient is φ = 19871333921088.

The previous prime is 21113330233189. The next prime is 21113330233223. The reversal of 21113330233201 is 10233203331112.

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

It is a cyclic number.

It is not a de Polignac number, because 21113330233201 - 2¹¹ = 21113330231153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21113330233301) 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, 17397430 + ... + 18571408.

It is an arithmetic number, because the mean of its divisors is an integer number (2794416376140).

Almost surely, 2^{21113330233201} is an apocalyptic number.

It is an amenable number.

21113330233201 is a deficient number, since it is larger than the sum of its proper divisors (1242000775919).

21113330233201 is a wasteful number, since it uses less digits than its factorization.

21113330233201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2231903.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 21113330233201 its reverse (10233203331112), we get a palindrome (31346533564313).

The spelling of 21113330233201 in words is "twenty-one trillion, one hundred thirteen billion, three hundred thirty million, two hundred thirty-three thousand, two hundred one".