23310203311221 has 32 divisors (see below), whose sum is σ = 31858525470720. Its totient is φ = 15156561888000.

The previous prime is 23310203311177. The next prime is 23310203311223. The reversal of 23310203311221 is 12211330201332.

It is not a de Polignac number, because 23310203311221 - 2¹⁰ = 23310203310197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23310203311191 and 23310203311200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23310203311223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8598156 + ... + 10979466.

It is an arithmetic number, because the mean of its divisors is an integer number (995578920960).

Almost surely, 2^{23310203311221} is an apocalyptic number.

It is an amenable number.

23310203311221 is a deficient number, since it is larger than the sum of its proper divisors (8548322159499).

23310203311221 is a wasteful number, since it uses less digits than its factorization.

23310203311221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2381897.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 23310203311221 its reverse (12211330201332), we get a palindrome (35521533512553).

The spelling of 23310203311221 in words is "twenty-three trillion, three hundred ten billion, two hundred three million, three hundred eleven thousand, two hundred twenty-one".