2321224021021 has 8 divisors (see below), whose sum is σ = 2336975136288. Its totient is φ = 2305517718000.

The previous prime is 2321224021001. The next prime is 2321224021033. The reversal of 2321224021021 is 1201204221232.

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 2321224021021 - 2⁵ = 2321224020989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2321224020983 and 2321224021001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321224021001) 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 7 ways as a sum of consecutive naturals, for example, 11099110 + ... + 11306311.

It is an arithmetic number, because the mean of its divisors is an integer number (292121892036).

Almost surely, 2^{2321224021021} is an apocalyptic number.

It is an amenable number.

2321224021021 is a deficient number, since it is larger than the sum of its proper divisors (15751115267).

2321224021021 is a wasteful number, since it uses less digits than its factorization.

2321224021021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22406123.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 2321224021021 its reverse (1201204221232), we get a palindrome (3522428242253).

The spelling of 2321224021021 in words is "two trillion, three hundred twenty-one billion, two hundred twenty-four million, twenty-one thousand, twenty-one".