102201221002 has 8 divisors (see below), whose sum is σ = 153304578756. Its totient is φ = 51099694752.

The previous prime is 102201220997. The next prime is 102201221021. The reversal of 102201221002 is 200122102201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 92640488161 + 9560732841 = 304369^2 + 97779^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 308643 + ... + 547414.

Almost surely, 2^102201221002 is an apocalyptic number.

102201221002 is a deficient number, since it is larger than the sum of its proper divisors (51103357754).

102201221002 is an equidigital number, since it uses as much as digits as its factorization.

102201221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915752.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 102201221002 its reverse (200122102201), we get a palindrome (302323323203).

The spelling of 102201221002 in words is "one hundred two billion, two hundred one million, two hundred twenty-one thousand, two".