22111103123 has 2 divisors, whose sum is σ = 22111103124. Its totient is φ = 22111103122.

The previous prime is 22111103117. The next prime is 22111103191. The reversal of 22111103123 is 32130111122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22111103123 - 2²² = 22106908819 is a prime.

It is not a weakly prime, because it can be changed into another prime (22111103923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11055551561 + 11055551562.

It is an arithmetic number, because the mean of its divisors is an integer number (11055551562).

Almost surely, 2^22111103123 is an apocalyptic number.

22111103123 is a deficient number, since it is larger than the sum of its proper divisors (1).

22111103123 is an equidigital number, since it uses as much as digits as its factorization.

22111103123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 22111103123 its reverse (32130111122), we get a palindrome (54241214245).

The spelling of 22111103123 in words is "twenty-two billion, one hundred eleven million, one hundred three thousand, one hundred twenty-three".