102323221225 has 12 divisors (see below), whose sum is σ = 127191029020. Its totient is φ = 81658425600.

The previous prime is 102323221207. The next prime is 102323221229. The reversal of 102323221225 is 522122323201.

It can be written as a sum of positive squares in 6 ways, for example, as 84437721 + 102238783504 = 9189^2 + 319748^2 .

It is not a de Polignac number, because 102323221225 - 2¹¹ = 102323219177 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 102323221225.

It is not an unprimeable number, because it can be changed into a prime (102323221229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4993356 + ... + 5013805.

Almost surely, 2^102323221225 is an apocalyptic number.

It is an amenable number.

102323221225 is a deficient number, since it is larger than the sum of its proper divisors (24867807795).

102323221225 is a wasteful number, since it uses less digits than its factorization.

102323221225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10007580 (or 10007575 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 102323221225 its reverse (522122323201), we get a palindrome (624445544426).

The spelling of 102323221225 in words is "one hundred two billion, three hundred twenty-three million, two hundred twenty-one thousand, two hundred twenty-five".