20231322333121 has 4 divisors (see below), whose sum is σ = 20315972217600. Its totient is φ = 20146672448644.

The previous prime is 20231322333037. The next prime is 20231322333127. The reversal of 20231322333121 is 12133322313202.

It is a happy number.

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 20231322333121 - 2⁷ = 20231322332993 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 20231322333121.

It is not an unprimeable number, because it can be changed into a prime (20231322333127) 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, 42324941881 + ... + 42324942358.

It is an arithmetic number, because the mean of its divisors is an integer number (5078993054400).

Almost surely, 2^{20231322333121} is an apocalyptic number.

It is an amenable number.

20231322333121 is a deficient number, since it is larger than the sum of its proper divisors (84649884479).

20231322333121 is an equidigital number, since it uses as much as digits as its factorization.

20231322333121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84649884478.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 20231322333121 its reverse (12133322313202), we get a palindrome (32364644646323).

The spelling of 20231322333121 in words is "twenty trillion, two hundred thirty-one billion, three hundred twenty-two million, three hundred thirty-three thousand, one hundred twenty-one".