110312421017 has 4 divisors (see below), whose sum is σ = 110332926756. Its totient is φ = 110291915280.

The previous prime is 110312420987. The next prime is 110312421049. The reversal of 110312421017 is 710124213011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 710124213011 = 1069 ⋅664288319.

It can be written as a sum of positive squares in 2 ways, for example, as 23414814361 + 86897606656 = 153019^2 + 294784^2 .

It is a cyclic number.

It is not a de Polignac number, because 110312421017 - 2²⁶ = 110245312153 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110312420983 and 110312421001.

It is not an unprimeable number, because it can be changed into a prime (110312421097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10244798 + ... + 10255559.

It is an arithmetic number, because the mean of its divisors is an integer number (27583231689).

Almost surely, 2^110312421017 is an apocalyptic number.

It is an amenable number.

110312421017 is a deficient number, since it is larger than the sum of its proper divisors (20505739).

110312421017 is an equidigital number, since it uses as much as digits as its factorization.

110312421017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20505738.

The product of its (nonzero) digits is 336, while the sum is 23.

Adding to 110312421017 its reverse (710124213011), we get a palindrome (820436634028).

The spelling of 110312421017 in words is "one hundred ten billion, three hundred twelve million, four hundred twenty-one thousand, seventeen".