111102221113123 has 2 divisors, whose sum is σ = 111102221113124. Its totient is φ = 111102221113122.

The previous prime is 111102221113109. The next prime is 111102221113139. The reversal of 111102221113123 is 321311122201111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111102221113123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111102221113094 and 111102221113103.

It is not a weakly prime, because it can be changed into another prime (111102221113823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55551110556561 + 55551110556562.

It is an arithmetic number, because the mean of its divisors is an integer number (55551110556562).

Almost surely, 2^{111102221113123} is an apocalyptic number.

111102221113123 is a deficient number, since it is larger than the sum of its proper divisors (1).

111102221113123 is an equidigital number, since it uses as much as digits as its factorization.

111102221113123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 22.

Adding to 111102221113123 its reverse (321311122201111), we get a palindrome (432413343314234).

The spelling of 111102221113123 in words is "one hundred eleven trillion, one hundred two billion, two hundred twenty-one million, one hundred thirteen thousand, one hundred twenty-three".