102221202212 has 24 divisors (see below), whose sum is σ = 184131784704. Its totient is φ = 49629246912.

The previous prime is 102221202203. The next prime is 102221202227. The reversal of 102221202212 is 212202122201.

It is a happy 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, 2116793 + ... + 2164544.

It is an arithmetic number, because the mean of its divisors is an integer number (7672157696).

Almost surely, 2^102221202212 is an apocalyptic number.

It is an amenable number.

102221202212 is a deficient number, since it is larger than the sum of its proper divisors (81910582492).

102221202212 is a wasteful number, since it uses less digits than its factorization.

102221202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4281515 (or 4281513 counting only the distinct ones).

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

Adding to 102221202212 its reverse (212202122201), we get a palindrome (314423324413).

The spelling of 102221202212 in words is "one hundred two billion, two hundred twenty-one million, two hundred two thousand, two hundred twelve".