122212031330221 has 4 divisors (see below), whose sum is σ = 139670892948832. Its totient is φ = 104753169711612.

The previous prime is 122212031330173. The next prime is 122212031330227. The reversal of 122212031330221 is 122033130212221.

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 122212031330221 - 2¹⁷ = 122212031199149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122212031330227) 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, 8729430809295 + ... + 8729430809308.

It is an arithmetic number, because the mean of its divisors is an integer number (34917723237208).

Almost surely, 2^{122212031330221} is an apocalyptic number.

It is an amenable number.

122212031330221 is a deficient number, since it is larger than the sum of its proper divisors (17458861618611).

122212031330221 is an equidigital number, since it uses as much as digits as its factorization.

122212031330221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17458861618610.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 122212031330221 its reverse (122033130212221), we get a palindrome (244245161542442).

The spelling of 122212031330221 in words is "one hundred twenty-two trillion, two hundred twelve billion, thirty-one million, three hundred thirty thousand, two hundred twenty-one".