2323221211121 has 2 divisors, whose sum is σ = 2323221211122. Its totient is φ = 2323221211120.

The previous prime is 2323221211067. The next prime is 2323221211169. The reversal of 2323221211121 is 1211121223232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1840906240000 + 482314971121 = 1356800^2 + 694489^2 .

It is a cyclic number.

It is not a de Polignac number, because 2323221211121 - 2¹⁰ = 2323221210097 is a prime.

It is not a weakly prime, because it can be changed into another prime (2323221213121) 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, 1161610605560 + 1161610605561.

It is an arithmetic number, because the mean of its divisors is an integer number (1161610605561).

Almost surely, 2^{2323221211121} is an apocalyptic number.

It is an amenable number.

2323221211121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2323221211121 is an equidigital number, since it uses as much as digits as its factorization.

2323221211121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576, while the sum is 23.

Adding to 2323221211121 its reverse (1211121223232), we get a palindrome (3534342434353).

The spelling of 2323221211121 in words is "two trillion, three hundred twenty-three billion, two hundred twenty-one million, two hundred eleven thousand, one hundred twenty-one".