2323111012021 has 4 divisors (see below), whose sum is σ = 2323351933312. Its totient is φ = 2322870090732.

The previous prime is 2323111012009. The next prime is 2323111012043. The reversal of 2323111012021 is 1202101113232.

2323111012021 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2323111012021 - 2⁹ = 2323111011509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2323111012021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2323111012721) 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, 120446181 + ... + 120465466.

It is an arithmetic number, because the mean of its divisors is an integer number (580837983328).

Almost surely, 2^{2323111012021} is an apocalyptic number.

It is an amenable number.

2323111012021 is a deficient number, since it is larger than the sum of its proper divisors (240921291).

2323111012021 is an equidigital number, since it uses as much as digits as its factorization.

2323111012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240921290.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2323111012021 its reverse (1202101113232), we get a palindrome (3525212125253).

The spelling of 2323111012021 in words is "two trillion, three hundred twenty-three billion, one hundred eleven million, twelve thousand, twenty-one".