2021403321203 has 8 divisors (see below), whose sum is σ = 2310207902208. Its totient is φ = 1732606909704.

The previous prime is 2021403321199. The next prime is 2021403321233. The reversal of 2021403321203 is 3021233041202.

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 2021403321203 - 2² = 2021403321199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021403321233) 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, 1502651 + ... + 2510132.

It is an arithmetic number, because the mean of its divisors is an integer number (288775987776).

Almost surely, 2^{2021403321203} is an apocalyptic number.

2021403321203 is a deficient number, since it is larger than the sum of its proper divisors (288804581005).

2021403321203 is an equidigital number, since it uses as much as digits as its factorization.

2021403321203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4084753.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 2021403321203 its reverse (3021233041202), we get a palindrome (5042636362405).

The spelling of 2021403321203 in words is "two trillion, twenty-one billion, four hundred three million, three hundred twenty-one thousand, two hundred three".