110817960421 has 6 divisors (see below), whose sum is σ = 128910688710. Its totient is φ = 94986823176.

The previous prime is 110817960397. The next prime is 110817960433. The reversal of 110817960421 is 124069718011.

It can be written as a sum of positive squares in only one way, i.e., 86341357921 + 24476602500 = 293839^2 + 156450^2 .

It is not a de Polignac number, because 110817960421 - 2⁹ = 110817959909 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 (110817960821) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1130795466 + ... + 1130795563.

It is an arithmetic number, because the mean of its divisors is an integer number (21485114785).

Almost surely, 2^110817960421 is an apocalyptic number.

It is an amenable number.

110817960421 is a deficient number, since it is larger than the sum of its proper divisors (18092728289).

110817960421 is an equidigital number, since it uses as much as digits as its factorization.

110817960421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2261591043 (or 2261591036 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 40.

The spelling of 110817960421 in words is "one hundred ten billion, eight hundred seventeen million, nine hundred sixty thousand, four hundred twenty-one".