102221222202221 has 8 divisors (see below), whose sum is σ = 103230000941184. Its totient is φ = 101212757688240.

The previous prime is 102221222202149. The next prime is 102221222202247. The reversal of 102221222202221 is 122202222122201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102221222202221 - 2¹⁴ = 102221222185837 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 (102221222202251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77902385 + ... + 79203686.

It is an arithmetic number, because the mean of its divisors is an integer number (12903750117648).

Almost surely, 2^{102221222202221} is an apocalyptic number.

It is an amenable number.

102221222202221 is a deficient number, since it is larger than the sum of its proper divisors (1008778738963).

102221222202221 is a wasteful number, since it uses less digits than its factorization.

102221222202221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157112491.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 102221222202221 its reverse (122202222122201), we get a palindrome (224423444324422).

The spelling of 102221222202221 in words is "one hundred two trillion, two hundred twenty-one billion, two hundred twenty-two million, two hundred two thousand, two hundred twenty-one".