23133132241221 has 16 divisors (see below), whose sum is σ = 31018587985728. Its totient is φ = 15335086800000.

The previous prime is 23133132241217. The next prime is 23133132241223. The reversal of 23133132241221 is 12214223133132.

It is not a de Polignac number, because 23133132241221 - 2² = 23133132241217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23133132241223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25105926 + ... + 26011031.

It is an arithmetic number, because the mean of its divisors is an integer number (1938661749108).

Almost surely, 2^{23133132241221} is an apocalyptic number.

It is an amenable number.

23133132241221 is a deficient number, since it is larger than the sum of its proper divisors (7885455744507).

23133132241221 is a wasteful number, since it uses less digits than its factorization.

23133132241221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51117812.

The product of its digits is 10368, while the sum is 30.

Adding to 23133132241221 its reverse (12214223133132), we get a palindrome (35347355374353).

The spelling of 23133132241221 in words is "twenty-three trillion, one hundred thirty-three billion, one hundred thirty-two million, two hundred forty-one thousand, two hundred twenty-one".