110354004421 has 4 divisors (see below), whose sum is σ = 110397780844. Its totient is φ = 110310228000.

The previous prime is 110354004361. The next prime is 110354004479. The reversal of 110354004421 is 124400453011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 124400453011 = 89 ⋅1397757899.

It can be written as a sum of positive squares in 2 ways, for example, as 17352792900 + 93001211521 = 131730^2 + 304961^2 .

It is a cyclic number.

It is not a de Polignac number, because 110354004421 - 2²¹ = 110351907269 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 (110354004821) 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, 21884430 + ... + 21889471.

It is an arithmetic number, because the mean of its divisors is an integer number (27599445211).

Almost surely, 2^110354004421 is an apocalyptic number.

It is an amenable number.

110354004421 is a deficient number, since it is larger than the sum of its proper divisors (43776423).

110354004421 is an equidigital number, since it uses as much as digits as its factorization.

110354004421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43776422.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 110354004421 its reverse (124400453011), we get a palindrome (234754457432).

The spelling of 110354004421 in words is "one hundred ten billion, three hundred fifty-four million, four thousand, four hundred twenty-one".