102002210001 has 24 divisors (see below), whose sum is σ = 152468759040. Its totient is φ = 65643696000.

The previous prime is 102002209999. The next prime is 102002210027. The reversal of 102002210001 is 100012200201.

It is not a de Polignac number, because 102002210001 - 2¹ = 102002209999 is a prime.

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 (102002210501) 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 23 ways as a sum of consecutive naturals, for example, 343981 + ... + 567738.

It is an arithmetic number, because the mean of its divisors is an integer number (6352864960).

Almost surely, 2^102002210001 is an apocalyptic number.

It is an amenable number.

102002210001 is a deficient number, since it is larger than the sum of its proper divisors (50466549039).

102002210001 is a wasteful number, since it uses less digits than its factorization.

102002210001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912157 (or 912154 counting only the distinct ones).

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

Adding to 102002210001 its reverse (100012200201), we get a palindrome (202014410202).

The spelling of 102002210001 in words is "one hundred two billion, two million, two hundred ten thousand, one".