102212221202 has 64 divisors (see below), whose sum is σ = 193064928000. Its totient is φ = 40327580160.

The previous prime is 102212221187. The next prime is 102212221207. The reversal of 102212221202 is 202122212201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (102212221207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3364802 + ... + 3395042.

It is an arithmetic number, because the mean of its divisors is an integer number (3016639500).

Almost surely, 2^102212221202 is an apocalyptic number.

102212221202 is a deficient number, since it is larger than the sum of its proper divisors (90852706798).

102212221202 is a wasteful number, since it uses less digits than its factorization.

102212221202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30656 (or 30642 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 102212221202 its reverse (202122212201), we get a palindrome (304334433403).

Subtracting 102212221202 from its reverse (202122212201), we obtain a palindrome (99909990999).

The spelling of 102212221202 in words is "one hundred two billion, two hundred twelve million, two hundred twenty-one thousand, two hundred two".