320110405121 has 12 divisors (see below), whose sum is σ = 364872031920. Its totient is φ = 279934602480.

The previous prime is 320110405073. The next prime is 320110405141. The reversal of 320110405121 is 121504011023.

It is not a de Polignac number, because 320110405121 - 2³⁸ = 45232498177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320110405093 and 320110405102.

It is not an unprimeable number, because it can be changed into a prime (320110405141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49842695 + ... + 49849116.

It is an arithmetic number, because the mean of its divisors is an integer number (30406002660).

Almost surely, 2^320110405121 is an apocalyptic number.

It is an amenable number.

320110405121 is a deficient number, since it is larger than the sum of its proper divisors (44761626799).

320110405121 is a wasteful number, since it uses less digits than its factorization.

320110405121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99691856 (or 99691843 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 320110405121 its reverse (121504011023), we get a palindrome (441614416144).

The spelling of 320110405121 in words is "three hundred twenty billion, one hundred ten million, four hundred five thousand, one hundred twenty-one".