23331101030221 has 4 divisors (see below), whose sum is σ = 23331110848444. Its totient is φ = 23331091212000.

The previous prime is 23331101030207. The next prime is 23331101030239. The reversal of 23331101030221 is 12203010113332.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2849728876996 + 20481372153225 = 1688114^2 + 4525635^2 .

It is a cyclic number.

It is not a de Polignac number, because 23331101030221 - 2¹¹ = 23331101028173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23331101030192 and 23331101030201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23331101010221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1139791 + ... + 6925411.

It is an arithmetic number, because the mean of its divisors is an integer number (5832777712111).

Almost surely, 2^{23331101030221} is an apocalyptic number.

It is an amenable number.

23331101030221 is a deficient number, since it is larger than the sum of its proper divisors (9818223).

23331101030221 is an equidigital number, since it uses as much as digits as its factorization.

23331101030221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9818222.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 23331101030221 its reverse (12203010113332), we get a palindrome (35534111143553).

The spelling of 23331101030221 in words is "twenty-three trillion, three hundred thirty-one billion, one hundred one million, thirty thousand, two hundred twenty-one".