13023322010221 has 4 divisors (see below), whose sum is σ = 13169651471100. Its totient is φ = 12876992549344.

The previous prime is 13023322010201. The next prime is 13023322010249. The reversal of 13023322010221 is 12201022332031.

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 943839452196 + 12079482558025 = 971514^2 + 3475555^2 .

It is a cyclic number.

It is not a de Polignac number, because 13023322010221 - 2¹³ = 13023322002029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13023322010192 and 13023322010201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13023322010201) 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, 73164730306 + ... + 73164730483.

It is an arithmetic number, because the mean of its divisors is an integer number (3292412867775).

Almost surely, 2^{13023322010221} is an apocalyptic number.

It is an amenable number.

13023322010221 is a deficient number, since it is larger than the sum of its proper divisors (146329460879).

13023322010221 is an equidigital number, since it uses as much as digits as its factorization.

13023322010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146329460878.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 13023322010221 its reverse (12201022332031), we get a palindrome (25224344342252).

The spelling of 13023322010221 in words is "thirteen trillion, twenty-three billion, three hundred twenty-two million, ten thousand, two hundred twenty-one".