13320110023221 has 32 divisors (see below), whose sum is σ = 18368777097216. Its totient is φ = 8576890848000.

The previous prime is 13320110023219. The next prime is 13320110023267. The reversal of 13320110023221 is 12232001102331.

It is not a de Polignac number, because 13320110023221 - 2¹ = 13320110023219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13320110023211) 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, 99062166 + ... + 99196536.

It is an arithmetic number, because the mean of its divisors is an integer number (574024284288).

Almost surely, 2^{13320110023221} is an apocalyptic number.

It is an amenable number.

13320110023221 is a deficient number, since it is larger than the sum of its proper divisors (5048667073995).

13320110023221 is a wasteful number, since it uses less digits than its factorization.

13320110023221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136473.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 13320110023221 its reverse (12232001102331), we get a palindrome (25552111125552).

The spelling of 13320110023221 in words is "thirteen trillion, three hundred twenty billion, one hundred ten million, twenty-three thousand, two hundred twenty-one".