2003102020201 has 4 divisors (see below), whose sum is σ = 2003120020692. Its totient is φ = 2003084019712.

The previous prime is 2003102020189. The next prime is 2003102020229. The reversal of 2003102020201 is 1020202013002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 140586752601 + 1862515267600 = 374949^2 + 1364740^2 .

It is a cyclic number.

It is not a de Polignac number, because 2003102020201 - 2³⁹ = 1453346206313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2003102024201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8832280 + ... + 9056233.

It is an arithmetic number, because the mean of its divisors is an integer number (500780005173).

Almost surely, 2^{2003102020201} is an apocalyptic number.

It is an amenable number.

2003102020201 is a deficient number, since it is larger than the sum of its proper divisors (18000491).

2003102020201 is a wasteful number, since it uses less digits than its factorization.

2003102020201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18000490.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 2003102020201 its reverse (1020202013002), we get a palindrome (3023304033203).

The spelling of 2003102020201 in words is "two trillion, three billion, one hundred two million, twenty thousand, two hundred one".