102221102012 has 24 divisors (see below), whose sum is σ = 180929271600. Its totient is φ = 50527230336.

The previous prime is 102221101987. The next prime is 102221102077. The reversal of 102221102012 is 210201122201.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 2248418 + ... + 2293430.

It is an arithmetic number, because the mean of its divisors is an integer number (7538719650).

Almost surely, 2^102221102012 is an apocalyptic number.

It is an amenable number.

102221102012 is a deficient number, since it is larger than the sum of its proper divisors (78708169588).

102221102012 is a wasteful number, since it uses less digits than its factorization.

102221102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51485 (or 51483 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 102221102012 its reverse (210201122201), we get a palindrome (312422224213).

The spelling of 102221102012 in words is "one hundred two billion, two hundred twenty-one million, one hundred two thousand, twelve".