111211342223 has 2 divisors, whose sum is σ = 111211342224. Its totient is φ = 111211342222.

The previous prime is 111211342213. The next prime is 111211342247. The reversal of 111211342223 is 322243112111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111211342223 - 2⁶ = 111211342159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111211342213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55605671111 + 55605671112.

It is an arithmetic number, because the mean of its divisors is an integer number (55605671112).

Almost surely, 2^111211342223 is an apocalyptic number.

111211342223 is a deficient number, since it is larger than the sum of its proper divisors (1).

111211342223 is an equidigital number, since it uses as much as digits as its factorization.

111211342223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576, while the sum is 23.

Adding to 111211342223 its reverse (322243112111), we get a palindrome (433454454334).

The spelling of 111211342223 in words is "one hundred eleven billion, two hundred eleven million, three hundred forty-two thousand, two hundred twenty-three".