2021232022321 has 8 divisors (see below), whose sum is σ = 2140455028320. Its totient is φ = 1902045350208.

The previous prime is 2021232022283. The next prime is 2021232022339. The reversal of 2021232022321 is 1232202321202.

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 2021232022321 - 2¹⁷ = 2021231891249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2021232022292 and 2021232022301.

It is not an unprimeable number, because it can be changed into a prime (2021232022921) 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, 8968891 + ... + 9191488.

It is an arithmetic number, because the mean of its divisors is an integer number (267556878540).

Almost surely, 2^{2021232022321} is an apocalyptic number.

It is an amenable number.

2021232022321 is a deficient number, since it is larger than the sum of its proper divisors (119223005999).

2021232022321 is a wasteful number, since it uses less digits than its factorization.

2021232022321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18166943.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 2021232022321 its reverse (1232202321202), we get a palindrome (3253434343523).

The spelling of 2021232022321 in words is "two trillion, twenty-one billion, two hundred thirty-two million, twenty-two thousand, three hundred twenty-one".