110040004421 has 4 divisors (see below), whose sum is σ = 110066775744. Its totient is φ = 110013233100.

The previous prime is 110040004381. The next prime is 110040004441. The reversal of 110040004421 is 124400040011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 124400040011 = 13 ⋅9569233847.

It is a cyclic number.

It is not a de Polignac number, because 110040004421 - 2⁶ = 110040004357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 110040004421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110040004441) 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, 13379495 + ... + 13387716.

It is an arithmetic number, because the mean of its divisors is an integer number (27516693936).

Almost surely, 2^110040004421 is an apocalyptic number.

It is an amenable number.

110040004421 is a deficient number, since it is larger than the sum of its proper divisors (26771323).

110040004421 is an equidigital number, since it uses as much as digits as its factorization.

110040004421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26771322.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 110040004421 its reverse (124400040011), we get a palindrome (234440044432).

The spelling of 110040004421 in words is "one hundred ten billion, forty million, four thousand, four hundred twenty-one".