102222003221 has 8 divisors (see below), whose sum is σ = 116560836504. Its totient is φ = 88808256000.

The previous prime is 102222003211. The next prime is 102222003239. The reversal of 102222003221 is 122300222201.

It can be written as a sum of positive squares in 4 ways, for example, as 43894440100 + 58327563121 = 209510^2 + 241511^2 .

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 102222003221 - 2⁶ = 102222003157 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102222003221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102222003211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231271280 + ... + 231271721.

It is an arithmetic number, because the mean of its divisors is an integer number (14570104563).

Almost surely, 2^102222003221 is an apocalyptic number.

It is an amenable number.

102222003221 is a deficient number, since it is larger than the sum of its proper divisors (14338833283).

102222003221 is a wasteful number, since it uses less digits than its factorization.

102222003221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462543031.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 102222003221 its reverse (122300222201), we get a palindrome (224522225422).

The spelling of 102222003221 in words is "one hundred two billion, two hundred twenty-two million, three thousand, two hundred twenty-one".