111223123411 has 2 divisors, whose sum is σ = 111223123412. Its totient is φ = 111223123410.

The previous prime is 111223123313. The next prime is 111223123433. The reversal of 111223123411 is 114321322111.

It is an a-pointer prime, because the next prime (111223123433) can be obtained adding 111223123411 to its sum of digits (22).

It is a strong prime.

It is an emirp because it is prime and its reverse (114321322111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111223123411 - 2²⁵ = 111189568979 is a prime.

It is not a weakly prime, because it can be changed into another prime (111223123211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55611561705 + 55611561706.

It is an arithmetic number, because the mean of its divisors is an integer number (55611561706).

Almost surely, 2^111223123411 is an apocalyptic number.

111223123411 is a deficient number, since it is larger than the sum of its proper divisors (1).

111223123411 is an equidigital number, since it uses as much as digits as its factorization.

111223123411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 22.

Adding to 111223123411 its reverse (114321322111), we get a palindrome (225544445522).

The spelling of 111223123411 in words is "one hundred eleven billion, two hundred twenty-three million, one hundred twenty-three thousand, four hundred eleven".