13330023101221 has 4 divisors (see below), whose sum is σ = 13330199306592. Its totient is φ = 13329846895852.

The previous prime is 13330023101189. The next prime is 13330023101233. The reversal of 13330023101221 is 12210132003331.

13330023101221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13330023101221 - 2⁵ = 13330023101189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13330023101192 and 13330023101201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13330023104221) 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, 87989161 + ... + 88140526.

It is an arithmetic number, because the mean of its divisors is an integer number (3332549826648).

Almost surely, 2^{13330023101221} is an apocalyptic number.

It is an amenable number.

13330023101221 is a deficient number, since it is larger than the sum of its proper divisors (176205371).

13330023101221 is an equidigital number, since it uses as much as digits as its factorization.

13330023101221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176205370.

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

Adding to 13330023101221 its reverse (12210132003331), we get a palindrome (25540155104552).

The spelling of 13330023101221 in words is "thirteen trillion, three hundred thirty billion, twenty-three million, one hundred one thousand, two hundred twenty-one".