102221330013221 has 4 divisors (see below), whose sum is σ = 105518792271744. Its totient is φ = 98923867754700.

The previous prime is 102221330013161. The next prime is 102221330013247. The reversal of 102221330013221 is 122310033122201.

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 102221330013221 - 2¹⁴ = 102221329996837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102221330015221) 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, 1648731129215 + ... + 1648731129276.

It is an arithmetic number, because the mean of its divisors is an integer number (26379698067936).

Almost surely, 2^{102221330013221} is an apocalyptic number.

It is an amenable number.

102221330013221 is a deficient number, since it is larger than the sum of its proper divisors (3297462258523).

102221330013221 is an equidigital number, since it uses as much as digits as its factorization.

102221330013221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3297462258522.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 102221330013221 its reverse (122310033122201), we get a palindrome (224531363135422).

The spelling of 102221330013221 in words is "one hundred two trillion, two hundred twenty-one billion, three hundred thirty million, thirteen thousand, two hundred twenty-one".