11322120313121 has 2 divisors, whose sum is σ = 11322120313122. Its totient is φ = 11322120313120.

The previous prime is 11322120313117. The next prime is 11322120313139. The reversal of 11322120313121 is 12131302122311.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9908399313121 + 1413721000000 = 3147761^2 + 1189000^2 .

It is a cyclic number.

It is not a de Polignac number, because 11322120313121 - 2² = 11322120313117 is a prime.

It is not a weakly prime, because it can be changed into another prime (11322120313111) 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 as a sum of consecutive naturals, namely, 5661060156560 + 5661060156561.

It is an arithmetic number, because the mean of its divisors is an integer number (5661060156561).

Almost surely, 2^{11322120313121} is an apocalyptic number.

It is an amenable number.

11322120313121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11322120313121 is an equidigital number, since it uses as much as digits as its factorization.

11322120313121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 11322120313121 its reverse (12131302122311), we get a palindrome (23453422435432).

The spelling of 11322120313121 in words is "eleven trillion, three hundred twenty-two billion, one hundred twenty million, three hundred thirteen thousand, one hundred twenty-one".