102210222221221 has 8 divisors (see below), whose sum is σ = 108297173090304. Its totient is φ = 96131558558400.

The previous prime is 102210222221183. The next prime is 102210222221231. The reversal of 102210222221221 is 122122222012201.

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 102210222221221 - 2²³ = 102210213832613 is a prime.

It is a super-2 number, since 2×102210222221221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102210222221192 and 102210222221201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102210222221231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2071776165 + ... + 2071825498.

It is an arithmetic number, because the mean of its divisors is an integer number (13537146636288).

Almost surely, 2^{102210222221221} is an apocalyptic number.

It is an amenable number.

102210222221221 is a deficient number, since it is larger than the sum of its proper divisors (6086950869083).

102210222221221 is a wasteful number, since it uses less digits than its factorization.

102210222221221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4143603131.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 102210222221221 its reverse (122122222012201), we get a palindrome (224332444233422).

The spelling of 102210222221221 in words is "one hundred two trillion, two hundred ten billion, two hundred twenty-two million, two hundred twenty-one thousand, two hundred twenty-one".