110421031321 has 4 divisors (see below), whose sum is σ = 110447623732. Its totient is φ = 110394438912.

The previous prime is 110421031319. The next prime is 110421031333. The reversal of 110421031321 is 123130124011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 123130124011 = 53 ⋅2323209887.

It can be written as a sum of positive squares in 2 ways, for example, as 35268840000 + 75152191321 = 187800^2 + 274139^2 .

It is a cyclic number.

It is not a de Polignac number, because 110421031321 - 2¹ = 110421031319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110421031421) 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, 13289976 + ... + 13298281.

It is an arithmetic number, because the mean of its divisors is an integer number (27611905933).

Almost surely, 2^110421031321 is an apocalyptic number.

It is an amenable number.

110421031321 is a deficient number, since it is larger than the sum of its proper divisors (26592411).

110421031321 is an equidigital number, since it uses as much as digits as its factorization.

110421031321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26592410.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 110421031321 its reverse (123130124011), we get a palindrome (233551155332).

The spelling of 110421031321 in words is "one hundred ten billion, four hundred twenty-one million, thirty-one thousand, three hundred twenty-one".