102120321102 has 16 divisors (see below), whose sum is σ = 204244316112. Its totient is φ = 34039494720.

The previous prime is 102120321077. The next prime is 102120321113. The reversal of 102120321102 is 201123021201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321402 + ... + 554562.

It is an arithmetic number, because the mean of its divisors is an integer number (12765269757).

Almost surely, 2^102120321102 is an apocalyptic number.

102120321102 is an abundant number, since it is smaller than the sum of its proper divisors (102123995010).

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

102120321102 is a wasteful number, since it uses less digits than its factorization.

102120321102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306163.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 102120321102 its reverse (201123021201), we get a palindrome (303243342303).

The spelling of 102120321102 in words is "one hundred two billion, one hundred twenty million, three hundred twenty-one thousand, one hundred two".