221112231132323 has 2 divisors, whose sum is σ = 221112231132324. Its totient is φ = 221112231132322.

The previous prime is 221112231132187. The next prime is 221112231132337. The reversal of 221112231132323 is 323231132211122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221112231132323 - 2²⁴ = 221112214355107 is a prime.

It is not a weakly prime, because it can be changed into another prime (221112231132823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110556115566161 + 110556115566162.

It is an arithmetic number, because the mean of its divisors is an integer number (110556115566162).

Almost surely, 2^{221112231132323} is an apocalyptic number.

221112231132323 is a deficient number, since it is larger than the sum of its proper divisors (1).

221112231132323 is an equidigital number, since it uses as much as digits as its factorization.

221112231132323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 29.

Adding to 221112231132323 its reverse (323231132211122), we get a palindrome (544343363343445).

The spelling of 221112231132323 in words is "two hundred twenty-one trillion, one hundred twelve billion, two hundred thirty-one million, one hundred thirty-two thousand, three hundred twenty-three".