102201222112 has 48 divisors (see below), whose sum is σ = 219578007600. Its totient is φ = 46438666240.

The previous prime is 102201222073. The next prime is 102201222139. The reversal of 102201222112 is 211222102201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 974064 + ... + 1073872.

It is an arithmetic number, because the mean of its divisors is an integer number (4574541825).

Almost surely, 2^102201222112 is an apocalyptic number.

It is an amenable number.

102201222112 is an abundant number, since it is smaller than the sum of its proper divisors (117376785488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102201222112 is a wasteful number, since it uses less digits than its factorization.

102201222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102739 (or 102731 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102201222112 its reverse (211222102201), we get a palindrome (313423324313).

The spelling of 102201222112 in words is "one hundred two billion, two hundred one million, two hundred twenty-two thousand, one hundred twelve".