102102212110122 has 80 divisors (see below), whose sum is σ = 276848575185600. Its totient is φ = 27456057032832.

The previous prime is 102102212110043. The next prime is 102102212110123. The reversal of 102102212110122 is 221011212201201.

102102212110122 is a `hidden beast` number, since 1 + 0 + 210 + 221 + 2 + 110 + 122 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 102102212110095 and 102102212110104.

It is not an unprimeable number, because it can be changed into a prime (102102212110123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2648134372 + ... + 2648172927.

It is an arithmetic number, because the mean of its divisors is an integer number (3460607189820).

Almost surely, 2^{102102212110122} is an apocalyptic number.

102102212110122 is an abundant number, since it is smaller than the sum of its proper divisors (174746363075478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102102212110122 is a wasteful number, since it uses less digits than its factorization.

102102212110122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5296307337 (or 5296307328 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 102102212110122 its reverse (221011212201201), we get a palindrome (323113424311323).

The spelling of 102102212110122 in words is "one hundred two trillion, one hundred two billion, two hundred twelve million, one hundred ten thousand, one hundred twenty-two".