23331402110221 has 16 divisors (see below), whose sum is σ = 24301414897200. Its totient is φ = 22372560258048.

The previous prime is 23331402110179. The next prime is 23331402110243. The reversal of 23331402110221 is 12201120413332.

It can be written as a sum of positive squares in 8 ways, for example, as 1868658926121 + 21462743184100 = 1366989^2 + 4632790^2 .

It is a cyclic number.

It is not a de Polignac number, because 23331402110221 - 2³⁹ = 22781646296333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23331402110251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8181781 + ... + 10658533.

It is an arithmetic number, because the mean of its divisors is an integer number (1518838431075).

Almost surely, 2^{23331402110221} is an apocalyptic number.

It is an amenable number.

23331402110221 is a deficient number, since it is larger than the sum of its proper divisors (970012786979).

23331402110221 is a wasteful number, since it uses less digits than its factorization.

23331402110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2479008.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 23331402110221 its reverse (12201120413332), we get a palindrome (35532522523553).

The spelling of 23331402110221 in words is "twenty-three trillion, three hundred thirty-one billion, four hundred two million, one hundred ten thousand, two hundred twenty-one".