102102131104 has 24 divisors (see below), whose sum is σ = 212837899428. Its totient is φ = 48048061440.

The previous prime is 102102131077. The next prime is 102102131107. The reversal of 102102131104 is 401131201201.

It can be written as a sum of positive squares in 2 ways, for example, as 100045690000 + 2056441104 = 316300^2 + 45348^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (102102131107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93843327 + ... + 93844414.

Almost surely, 2^102102131104 is an apocalyptic number.

It is an amenable number.

102102131104 is an abundant number, since it is smaller than the sum of its proper divisors (110735768324).

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

102102131104 is a wasteful number, since it uses less digits than its factorization.

102102131104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187687768 (or 187687760 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 102102131104 its reverse (401131201201), we get a palindrome (503233332305).

The spelling of 102102131104 in words is "one hundred two billion, one hundred two million, one hundred thirty-one thousand, one hundred four".