1003202120103 has 16 divisors (see below), whose sum is σ = 1380783661056. Its totient is φ = 647212007520.

The previous prime is 1003202120093. The next prime is 1003202120131. The reversal of 1003202120103 is 3010212023001.

It is not a de Polignac number, because 1003202120103 - 2⁴ = 1003202120087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003202120183) 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 15 ways as a sum of consecutive naturals, for example, 4956925 + ... + 5155337.

It is an arithmetic number, because the mean of its divisors is an integer number (86298978816).

Almost surely, 2^{1003202120103} is an apocalyptic number.

1003202120103 is a deficient number, since it is larger than the sum of its proper divisors (377581540953).

1003202120103 is a wasteful number, since it uses less digits than its factorization.

1003202120103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252814.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1003202120103 its reverse (3010212023001), we get a palindrome (4013414143104).

The spelling of 1003202120103 in words is "one trillion, three billion, two hundred two million, one hundred twenty thousand, one hundred three".