23201110221 has 32 divisors (see below), whose sum is σ = 32499740160. Its totient is φ = 14705174016.

The previous prime is 23201110211. The next prime is 23201110223. The reversal of 23201110221 is 12201110232.

It is not a de Polignac number, because 23201110221 - 2⁶ = 23201110157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23201110221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23201110223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3528625 + ... + 3535193.

It is an arithmetic number, because the mean of its divisors is an integer number (1015616880).

Almost surely, 2^23201110221 is an apocalyptic number.

It is an amenable number.

23201110221 is a deficient number, since it is larger than the sum of its proper divisors (9298629939).

23201110221 is a wasteful number, since it uses less digits than its factorization.

23201110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7333.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 23201110221 its reverse (12201110232), we get a palindrome (35402220453).

The spelling of 23201110221 in words is "twenty-three billion, two hundred one million, one hundred ten thousand, two hundred twenty-one".