102102020102 has 16 divisors (see below), whose sum is σ = 153952853472. Its totient is φ = 50784478080.

The previous prime is 102102020071. The next prime is 102102020117. The reversal of 102102020102 is 201020201201.

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, 3547823 + ... + 3576485.

It is an arithmetic number, because the mean of its divisors is an integer number (9622053342).

Almost surely, 2^102102020102 is an apocalyptic number.

102102020102 is a deficient number, since it is larger than the sum of its proper divisors (51850833370).

102102020102 is a wasteful number, since it uses less digits than its factorization.

102102020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37903.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 102102020102 its reverse (201020201201), we get a palindrome (303122221303).

The spelling of 102102020102 in words is "one hundred two billion, one hundred two million, twenty thousand, one hundred two".