13230122002221 has 4 divisors (see below), whose sum is σ = 17640162669632. Its totient is φ = 8820081334812.

The previous prime is 13230122002219. The next prime is 13230122002249. The reversal of 13230122002221 is 12220022103231.

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 not a de Polignac number, because 13230122002221 - 2¹ = 13230122002219 is a prime.

It is a super-2 number, since 2×13230122002221² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13230122002211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2205020333701 + ... + 2205020333706.

It is an arithmetic number, because the mean of its divisors is an integer number (4410040667408).

Almost surely, 2^{13230122002221} is an apocalyptic number.

It is an amenable number.

13230122002221 is a deficient number, since it is larger than the sum of its proper divisors (4410040667411).

13230122002221 is an equidigital number, since it uses as much as digits as its factorization.

13230122002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4410040667410.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 13230122002221 its reverse (12220022103231), we get a palindrome (25450144105452).

It can be divided in two parts, 1323012 and 2002221, that added together give a palindrome (3325233).

The spelling of 13230122002221 in words is "thirteen trillion, two hundred thirty billion, one hundred twenty-two million, two thousand, two hundred twenty-one".