102221221112 has 32 divisors (see below), whose sum is σ = 193767670800. Its totient is φ = 50551513344.

The previous prime is 102221221087. The next prime is 102221221127. The reversal of 102221221112 is 211122122201.

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, 386828 + ... + 595044.

Almost surely, 2^102221221112 is an apocalyptic number.

It is an amenable number.

102221221112 is a deficient number, since it is larger than the sum of its proper divisors (91546449688).

102221221112 is a wasteful number, since it uses less digits than its factorization.

102221221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208895 (or 208891 counting only the distinct ones).

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

Adding to 102221221112 its reverse (211122122201), we get a palindrome (313343343313).

The spelling of 102221221112 in words is "one hundred two billion, two hundred twenty-one million, two hundred twenty-one thousand, one hundred twelve".