223122223211 has 2 divisors, whose sum is σ = 223122223212. Its totient is φ = 223122223210.

The previous prime is 223122223199. The next prime is 223122223217. The reversal of 223122223211 is 112322221322.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 223122223211 - 2⁶ = 223122223147 is a prime.

It is a super-3 number, since 3×223122223211³ (a number of 35 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (223122223217) 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, 111561111605 + 111561111606.

It is an arithmetic number, because the mean of its divisors is an integer number (111561111606).

Almost surely, 2^223122223211 is an apocalyptic number.

223122223211 is a deficient number, since it is larger than the sum of its proper divisors (1).

223122223211 is an equidigital number, since it uses as much as digits as its factorization.

223122223211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 23.

Adding to 223122223211 its reverse (112322221322), we get a palindrome (335444444533).

The spelling of 223122223211 in words is "two hundred twenty-three billion, one hundred twenty-two million, two hundred twenty-three thousand, two hundred eleven".