2321322302021 has 4 divisors (see below), whose sum is σ = 2321862525612. Its totient is φ = 2320782078432.

The previous prime is 2321322301993. The next prime is 2321322302059. The reversal of 2321322302021 is 1202032231232.

2321322302021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1441176240100 + 880146061921 = 1200490^2 + 938161^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2321322302021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321322308021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270105350 + ... + 270113943.

It is an arithmetic number, because the mean of its divisors is an integer number (580465631403).

Almost surely, 2^{2321322302021} is an apocalyptic number.

It is an amenable number.

2321322302021 is a deficient number, since it is larger than the sum of its proper divisors (540223591).

2321322302021 is an equidigital number, since it uses as much as digits as its factorization.

2321322302021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540223590.

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

Adding to 2321322302021 its reverse (1202032231232), we get a palindrome (3523354533253).

The spelling of 2321322302021 in words is "two trillion, three hundred twenty-one billion, three hundred twenty-two million, three hundred two thousand, twenty-one".