102002110002 has 64 divisors (see below), whose sum is σ = 252525168000. Its totient is φ = 30303008064.

The previous prime is 102002109977. The next prime is 102002110009. The reversal of 102002110002 is 200011200201.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (102002110009) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2484852 + ... + 2525567.

It is an arithmetic number, because the mean of its divisors is an integer number (3945705750).

Almost surely, 2^102002110002 is an apocalyptic number.

102002110002 is an abundant number, since it is smaller than the sum of its proper divisors (150523057998).

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

102002110002 is a wasteful number, since it uses less digits than its factorization.

102002110002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5010472 (or 5010466 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 102002110002 its reverse (200011200201), we get a palindrome (302013310203).

The spelling of 102002110002 in words is "one hundred two billion, two million, one hundred ten thousand, two".