2021130302203 has 4 divisors (see below), whose sum is σ = 2021677000600. Its totient is φ = 2020583603808.

The previous prime is 2021130302153. The next prime is 2021130302207. The reversal of 2021130302203 is 3022030311202.

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

It is a cyclic number.

It is not a de Polignac number, because 2021130302203 - 2²⁵ = 2021096747771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021130302207) 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 3 ways as a sum of consecutive naturals, for example, 273343653 + ... + 273351046.

It is an arithmetic number, because the mean of its divisors is an integer number (505419250150).

Almost surely, 2^{2021130302203} is an apocalyptic number.

2021130302203 is a deficient number, since it is larger than the sum of its proper divisors (546698397).

2021130302203 is an equidigital number, since it uses as much as digits as its factorization.

2021130302203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546698396.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 2021130302203 its reverse (3022030311202), we get a palindrome (5043160613405).

The spelling of 2021130302203 in words is "two trillion, twenty-one billion, one hundred thirty million, three hundred two thousand, two hundred three".