23132110221 has 16 divisors (see below), whose sum is σ = 37385229120. Its totient is φ = 14019460560.

The previous prime is 23132110187. The next prime is 23132110223. The reversal of 23132110221 is 12201123132.

23132110221 is a `hidden beast` number, since 231 + 3 + 211 + 0 + 221 = 666.

It is not a de Polignac number, because 23132110221 - 2¹³ = 23132102029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23132110194 and 23132110203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23132110223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38942650 + ... + 38943243.

It is an arithmetic number, because the mean of its divisors is an integer number (2336576820).

Almost surely, 2^23132110221 is an apocalyptic number.

It is an amenable number.

23132110221 is a deficient number, since it is larger than the sum of its proper divisors (14253118899).

23132110221 is a wasteful number, since it uses less digits than its factorization.

23132110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77885913 (or 77885907 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 23132110221 its reverse (12201123132), we get a palindrome (35333233353).

The spelling of 23132110221 in words is "twenty-three billion, one hundred thirty-two million, one hundred ten thousand, two hundred twenty-one".