2321023242021 has 16 divisors (see below), whose sum is σ = 3377099962368. Its totient is φ = 1406236521200.

The previous prime is 2321023242011. The next prime is 2321023242079. The reversal of 2321023242021 is 1202423201232.

It is a cyclic number.

It is not a de Polignac number, because 2321023242021 - 2⁵ = 2321023241989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2321023241982 and 2321023242000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321023242001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10999695 + ... + 11208716.

It is an arithmetic number, because the mean of its divisors is an integer number (211068747648).

Almost surely, 2^{2321023242021} is an apocalyptic number.

It is an amenable number.

2321023242021 is a deficient number, since it is larger than the sum of its proper divisors (1056076720347).

2321023242021 is a wasteful number, since it uses less digits than its factorization.

2321023242021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22211592.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 2321023242021 its reverse (1202423201232), we get a palindrome (3523446443253).

The spelling of 2321023242021 in words is "two trillion, three hundred twenty-one billion, twenty-three million, two hundred forty-two thousand, twenty-one".