102222120333221 has 16 divisors (see below), whose sum is σ = 116946384715776. Its totient is φ = 87528150837936.

The previous prime is 102222120333209. The next prime is 102222120333233. The reversal of 102222120333221 is 122333021222201.

It is an interprime number because it is at equal distance from previous prime (102222120333209) and next prime (102222120333233).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102222120333221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102222120333241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64864220 + ... + 66421466.

It is an arithmetic number, because the mean of its divisors is an integer number (7309149044736).

Almost surely, 2^{102222120333221} is an apocalyptic number.

It is an amenable number.

102222120333221 is a deficient number, since it is larger than the sum of its proper divisors (14724264382555).

102222120333221 is a wasteful number, since it uses less digits than its factorization.

102222120333221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1566968.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 102222120333221 its reverse (122333021222201), we get a palindrome (224555141555422).

The spelling of 102222120333221 in words is "one hundred two trillion, two hundred twenty-two billion, one hundred twenty million, three hundred thirty-three thousand, two hundred twenty-one".