224111111321 has 2 divisors, whose sum is σ = 224111111322. Its totient is φ = 224111111320.

The previous prime is 224111111317. The next prime is 224111111437. The reversal of 224111111321 is 123111111422.

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., 219773440000 + 4337671321 = 468800^2 + 65861^2 .

It is a cyclic number.

It is not a de Polignac number, because 224111111321 - 2² = 224111111317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 224111111293 and 224111111302.

It is not a weakly prime, because it can be changed into another prime (224111111221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112055555660 + 112055555661.

It is an arithmetic number, because the mean of its divisors is an integer number (112055555661).

Almost surely, 2^224111111321 is an apocalyptic number.

It is an amenable number.

224111111321 is a deficient number, since it is larger than the sum of its proper divisors (1).

224111111321 is an equidigital number, since it uses as much as digits as its factorization.

224111111321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96, while the sum is 20.

Adding to 224111111321 its reverse (123111111422), we get a palindrome (347222222743).

The spelling of 224111111321 in words is "two hundred twenty-four billion, one hundred eleven million, one hundred eleven thousand, three hundred twenty-one".