122505411103 has 4 divisors (see below), whose sum is σ = 124816834008. Its totient is φ = 120193988200.

The previous prime is 122505411079. The next prime is 122505411131. The reversal of 122505411103 is 301114505221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122505411103 - 2⁵ = 122505411071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122505411173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1155711373 + ... + 1155711478.

It is an arithmetic number, because the mean of its divisors is an integer number (31204208502).

Almost surely, 2^122505411103 is an apocalyptic number.

122505411103 is a deficient number, since it is larger than the sum of its proper divisors (2311422905).

122505411103 is an equidigital number, since it uses as much as digits as its factorization.

122505411103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2311422904.

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 122505411103 its reverse (301114505221), we get a palindrome (423619916324).

The spelling of 122505411103 in words is "one hundred twenty-two billion, five hundred five million, four hundred eleven thousand, one hundred three".