110000443421 has 16 divisors (see below), whose sum is σ = 124623932928. Its totient is φ = 96216951600.

The previous prime is 110000443387. The next prime is 110000443429. The reversal of 110000443421 is 124344000011.

It is not a de Polignac number, because 110000443421 - 2³⁴ = 92820574237 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 110000443393 and 110000443402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110000443429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1703825 + ... + 1767206.

It is an arithmetic number, because the mean of its divisors is an integer number (7788995808).

Almost surely, 2^110000443421 is an apocalyptic number.

110000443421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

110000443421 is a deficient number, since it is larger than the sum of its proper divisors (14623489507).

110000443421 is a wasteful number, since it uses less digits than its factorization.

110000443421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3471152.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 110000443421 its reverse (124344000011), we get a palindrome (234344443432).

The spelling of 110000443421 in words is "one hundred ten billion, four hundred forty-three thousand, four hundred twenty-one".