23110033301221 has 4 divisors (see below), whose sum is σ = 23120847544492. Its totient is φ = 23099219057952.

The previous prime is 23110033301219. The next prime is 23110033301233. The reversal of 23110033301221 is 12210333001132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3895057488100 + 19214975813121 = 1973590^2 + 4383489^2 .

It is a cyclic number.

It is not a de Polignac number, because 23110033301221 - 2¹ = 23110033301219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23110033301192 and 23110033301201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23110033301261) 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 3 ways as a sum of consecutive naturals, for example, 5407118430 + ... + 5407122703.

It is an arithmetic number, because the mean of its divisors is an integer number (5780211886123).

Almost surely, 2^{23110033301221} is an apocalyptic number.

It is an amenable number.

23110033301221 is a deficient number, since it is larger than the sum of its proper divisors (10814243271).

23110033301221 is a wasteful number, since it uses less digits than its factorization.

23110033301221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10814243270.

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

Adding to 23110033301221 its reverse (12210333001132), we get a palindrome (35320366302353).

The spelling of 23110033301221 in words is "twenty-three trillion, one hundred ten billion, thirty-three million, three hundred one thousand, two hundred twenty-one".