102212110221112 has 32 divisors (see below), whose sum is σ = 191873514420000. Its totient is φ = 51045845569024.

The previous prime is 102212110221077. The next prime is 102212110221131. The reversal of 102212110221112 is 211122011212201.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 102212110221112.

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, 143331228 + ... + 144042580.

It is an arithmetic number, because the mean of its divisors is an integer number (5996047325625).

Almost surely, 2^{102212110221112} is an apocalyptic number.

It is an amenable number.

102212110221112 is a deficient number, since it is larger than the sum of its proper divisors (89661404198888).

102212110221112 is a wasteful number, since it uses less digits than its factorization.

102212110221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732495 (or 732491 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 102212110221112 its reverse (211122011212201), we get a palindrome (313334121433313).

The spelling of 102212110221112 in words is "one hundred two trillion, two hundred twelve billion, one hundred ten million, two hundred twenty-one thousand, one hundred twelve".