102101210102 has 16 divisors (see below), whose sum is σ = 154347517440. Its totient is φ = 50653420032.

The previous prime is 102101210089. The next prime is 102101210203. The reversal of 102101210102 is 201012101201.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 197477 + ... + 493152.

It is an arithmetic number, because the mean of its divisors is an integer number (9646719840).

Almost surely, 2^102101210102 is an apocalyptic number.

102101210102 is a deficient number, since it is larger than the sum of its proper divisors (52246307338).

102101210102 is a wasteful number, since it uses less digits than its factorization.

102101210102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691207.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 102101210102 its reverse (201012101201), we get a palindrome (303113311303).

The spelling of 102101210102 in words is "one hundred two billion, one hundred one million, two hundred ten thousand, one hundred two".