2021320113203 has 8 divisors (see below), whose sum is σ = 2025219188256. Its totient is φ = 2017421640000.

The previous prime is 2021320113191. The next prime is 2021320113221. The reversal of 2021320113203 is 3023110231202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2021320113203 - 2³² = 2017025145907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021320113403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6889850 + ... + 7177232.

It is an arithmetic number, because the mean of its divisors is an integer number (253152398532).

Almost surely, 2^{2021320113203} is an apocalyptic number.

2021320113203 is a deficient number, since it is larger than the sum of its proper divisors (3899075053).

2021320113203 is a wasteful number, since it uses less digits than its factorization.

2021320113203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300925.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2021320113203 its reverse (3023110231202), we get a palindrome (5044430344405).

The spelling of 2021320113203 in words is "two trillion, twenty-one billion, three hundred twenty million, one hundred thirteen thousand, two hundred three".