102210222110221 has 4 divisors (see below), whose sum is σ = 102210494371744. Its totient is φ = 102209949848700.

The previous prime is 102210222110167. The next prime is 102210222110261. The reversal of 102210222110221 is 122011222012201.

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 102210222110221 - 2⁷ = 102210222110093 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 (102210222110261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135566865 + ... + 136318726.

It is an arithmetic number, because the mean of its divisors is an integer number (25552623592936).

Almost surely, 2^{102210222110221} is an apocalyptic number.

It is an amenable number.

102210222110221 is a deficient number, since it is larger than the sum of its proper divisors (272261523).

102210222110221 is an equidigital number, since it uses as much as digits as its factorization.

102210222110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272261522.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 102210222110221 its reverse (122011222012201), we get a palindrome (224221444122422).

The spelling of 102210222110221 in words is "one hundred two trillion, two hundred ten billion, two hundred twenty-two million, one hundred ten thousand, two hundred twenty-one".