102212221112 has 16 divisors (see below), whose sum is σ = 192376617840. Its totient is φ = 50911789696.

The previous prime is 102212221109. The next prime is 102212221141. The reversal of 102212221112 is 211122212201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24287873 + ... + 24292080.

It is an arithmetic number, because the mean of its divisors is an integer number (12023538615).

Almost surely, 2^102212221112 is an apocalyptic number.

It is an amenable number.

102212221112 is a deficient number, since it is larger than the sum of its proper divisors (90164396728).

102212221112 is a wasteful number, since it uses less digits than its factorization.

102212221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48580222 (or 48580218 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102212221112 its reverse (211122212201), we get a palindrome (313334433313).

The spelling of 102212221112 in words is "one hundred two billion, two hundred twelve million, two hundred twenty-one thousand, one hundred twelve".