23331211312221 has 12 divisors (see below), whose sum is σ = 33701771400960. Its totient is φ = 15553618026120.

The previous prime is 23331211312177. The next prime is 23331211312333. The reversal of 23331211312221 is 12221311213332.

23331211312221 is a `hidden beast` number, since 2 + 3 + 3 + 3 + 121 + 1 + 312 + 221 = 666.

It is not a de Polignac number, because 23331211312221 - 2¹⁴ = 23331211295837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23331211312921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43288015 + ... + 43823676.

It is an arithmetic number, because the mean of its divisors is an integer number (2808480950080).

Almost surely, 2^{23331211312221} is an apocalyptic number.

It is an amenable number.

23331211312221 is a deficient number, since it is larger than the sum of its proper divisors (10370560088739).

23331211312221 is a wasteful number, since it uses less digits than its factorization.

23331211312221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87141456 (or 87141453 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

Adding to 23331211312221 its reverse (12221311213332), we get a palindrome (35552522525553).

The spelling of 23331211312221 in words is "twenty-three trillion, three hundred thirty-one billion, two hundred eleven million, three hundred twelve thousand, two hundred twenty-one".