22311123361 has 2 divisors, whose sum is σ = 22311123362. Its totient is φ = 22311123360.

The previous prime is 22311123353. The next prime is 22311123403. The reversal of 22311123361 is 16332111322.

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., 17597614336 + 4713509025 = 132656^2 + 68655^2 .

It is a cyclic number.

It is not a de Polignac number, because 22311123361 - 2³ = 22311123353 is a prime.

It is a super-3 number, since 3×22311123361³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (22311123161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11155561680 + 11155561681.

It is an arithmetic number, because the mean of its divisors is an integer number (11155561681).

Almost surely, 2^22311123361 is an apocalyptic number.

It is an amenable number.

22311123361 is a deficient number, since it is larger than the sum of its proper divisors (1).

22311123361 is an equidigital number, since it uses as much as digits as its factorization.

22311123361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 25.

Adding to 22311123361 its reverse (16332111322), we get a palindrome (38643234683).

The spelling of 22311123361 in words is "twenty-two billion, three hundred eleven million, one hundred twenty-three thousand, three hundred sixty-one".