1002102110203 has 16 divisors (see below), whose sum is σ = 1037345400000. Its totient is φ = 967388497920.

The previous prime is 1002102110189. The next prime is 1002102110221. The reversal of 1002102110203 is 3020112012001.

It is a cyclic number.

It is not a de Polignac number, because 1002102110203 - 2²¹ = 1002100013051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002102110293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5179533 + ... + 5369521.

It is an arithmetic number, because the mean of its divisors is an integer number (64834087500).

Almost surely, 2^{1002102110203} is an apocalyptic number.

1002102110203 is a deficient number, since it is larger than the sum of its proper divisors (35243289797).

1002102110203 is a wasteful number, since it uses less digits than its factorization.

1002102110203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191382.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1002102110203 its reverse (3020112012001), we get a palindrome (4022214122204).

The spelling of 1002102110203 in words is "one trillion, two billion, one hundred two million, one hundred ten thousand, two hundred three".