122505711107 has 4 divisors (see below), whose sum is σ = 131929227360. Its totient is φ = 113082194856.

The previous prime is 122505711103. The next prime is 122505711113. The reversal of 122505711107 is 701117505221.

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 122505711107 - 2² = 122505711103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122505711101) 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 in 3 ways as a sum of consecutive naturals, for example, 4711758107 + ... + 4711758132.

It is an arithmetic number, because the mean of its divisors is an integer number (32982306840).

Almost surely, 2^122505711107 is an apocalyptic number.

122505711107 is a deficient number, since it is larger than the sum of its proper divisors (9423516253).

122505711107 is an equidigital number, since it uses as much as digits as its factorization.

122505711107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9423516252.

The product of its (nonzero) digits is 4900, while the sum is 32.

The spelling of 122505711107 in words is "one hundred twenty-two billion, five hundred five million, seven hundred eleven thousand, one hundred seven".