20223242331121 has 2 divisors, whose sum is σ = 20223242331122. Its totient is φ = 20223242331120.

The previous prime is 20223242331013. The next prime is 20223242331143. The reversal of 20223242331121 is 12113324232202.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20223188880400 + 53450721 = 4497020^2 + 7311^2 .

It is a cyclic number.

It is not a de Polignac number, because 20223242331121 - 2¹⁵ = 20223242298353 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20223242331121.

It is not a weakly prime, because it can be changed into another prime (20223242337121) 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 as a sum of consecutive naturals, namely, 10111621165560 + 10111621165561.

It is an arithmetic number, because the mean of its divisors is an integer number (10111621165561).

Almost surely, 2^{20223242331121} is an apocalyptic number.

It is an amenable number.

20223242331121 is a deficient number, since it is larger than the sum of its proper divisors (1).

20223242331121 is an equidigital number, since it uses as much as digits as its factorization.

20223242331121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 20223242331121 its reverse (12113324232202), we get a palindrome (32336566563323).

The spelling of 20223242331121 in words is "twenty trillion, two hundred twenty-three billion, two hundred forty-two million, three hundred thirty-one thousand, one hundred twenty-one".