2021321200223 has 8 divisors (see below), whose sum is σ = 2176840346016. Its totient is φ = 1865806754400.

The previous prime is 2021321200193. The next prime is 2021321200229. The reversal of 2021321200223 is 3220021231202.

It is a happy number.

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 2021321200223 - 2⁸ = 2021321199967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2021321200195 and 2021321200204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021321200229) 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, 255083 + ... + 2026748.

It is an arithmetic number, because the mean of its divisors is an integer number (272105043252).

Almost surely, 2^{2021321200223} is an apocalyptic number.

2021321200223 is a deficient number, since it is larger than the sum of its proper divisors (155519145793).

2021321200223 is a wasteful number, since it uses less digits than its factorization.

2021321200223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2349985.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 2021321200223 its reverse (3220021231202), we get a palindrome (5241342431425).

The spelling of 2021321200223 in words is "two trillion, twenty-one billion, three hundred twenty-one million, two hundred thousand, two hundred twenty-three".