102102002003 has 4 divisors (see below), whose sum is σ = 102836548920. Its totient is φ = 101367455088.

The previous prime is 102102001997. The next prime is 102102002021. The reversal of 102102002003 is 300200201201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300200201201 = 193 ⋅1555441457.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102102002003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102132002003) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 367273250 + ... + 367273527.

It is an arithmetic number, because the mean of its divisors is an integer number (25709137230).

Almost surely, 2^102102002003 is an apocalyptic number.

102102002003 is a deficient number, since it is larger than the sum of its proper divisors (734546917).

102102002003 is an equidigital number, since it uses as much as digits as its factorization.

102102002003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734546916.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 102102002003 its reverse (300200201201), we get a palindrome (402302203204).

The spelling of 102102002003 in words is "one hundred two billion, one hundred two million, two thousand, three".