102102202102102 has 16 divisors (see below), whose sum is σ = 154728785779920. Its totient is φ = 50526972942048.

The previous prime is 102102202102067. The next prime is 102102202102111. The reversal of 102102202102102 is 201201202201201.

It is a happy number.

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, 257993413 + ... + 258388864.

It is an arithmetic number, because the mean of its divisors is an integer number (9670549111245).

Almost surely, 2^{102102202102102} is an apocalyptic number.

102102202102102 is a deficient number, since it is larger than the sum of its proper divisors (52626583677818).

102102202102102 is a wasteful number, since it uses less digits than its factorization.

102102202102102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516383295.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102102202102102 its reverse (201201202201201), we get a palindrome (303303404303303).

Subtracting 102102202102102 from its reverse (201201202201201), we obtain a palindrome (99099000099099).

The spelling of 102102202102102 in words is "one hundred two trillion, one hundred two billion, two hundred two million, one hundred two thousand, one hundred two".