102201221022112 has 24 divisors (see below), whose sum is σ = 201256549570692. Its totient is φ = 51088446528000.

The previous prime is 102201221022073. The next prime is 102201221022169. The reversal of 102201221022112 is 211220122102201.

It can be written as a sum of positive squares in 2 ways, for example, as 75686589638416 + 26514631383696 = 8699804^2 + 5149236^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 102201221022112.

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, 379987939 + ... + 380256802.

Almost surely, 2^{102201221022112} is an apocalyptic number.

It is an amenable number.

102201221022112 is a deficient number, since it is larger than the sum of its proper divisors (99055328548580).

102201221022112 is an equidigital number, since it uses as much as digits as its factorization.

102201221022112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760248952 (or 760248944 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 102201221022112 its reverse (211220122102201), we get a palindrome (313421343124313).

The spelling of 102201221022112 in words is "one hundred two trillion, two hundred one billion, two hundred twenty-one million, twenty-two thousand, one hundred twelve".