102221102212 has 48 divisors (see below), whose sum is σ = 182569427712. Its totient is φ = 50070343680.

The previous prime is 102221102201. The next prime is 102221102219. The reversal of 102221102212 is 212201122201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (102221102219) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 66247513 + ... + 66249055.

It is an arithmetic number, because the mean of its divisors is an integer number (3803529744).

Almost surely, 2^102221102212 is an apocalyptic number.

It is an amenable number.

102221102212 is a deficient number, since it is larger than the sum of its proper divisors (80348325500).

102221102212 is a wasteful number, since it uses less digits than its factorization.

102221102212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3268 (or 3266 counting only the distinct ones).

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

Adding to 102221102212 its reverse (212201122201), we get a palindrome (314422224413).

The spelling of 102221102212 in words is "one hundred two billion, two hundred twenty-one million, one hundred two thousand, two hundred twelve".