110420144521 has 8 divisors (see below), whose sum is σ = 111756887424. Its totient is φ = 109083553680.

The previous prime is 110420144477. The next prime is 110420144543. The reversal of 110420144521 is 125441024011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 110420144521 - 2³⁵ = 76060406153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110420144581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2250511 + ... + 2299051.

It is an arithmetic number, because the mean of its divisors is an integer number (13969610928).

Almost surely, 2^110420144521 is an apocalyptic number.

It is an amenable number.

110420144521 is a deficient number, since it is larger than the sum of its proper divisors (1336742903).

110420144521 is an equidigital number, since it uses as much as digits as its factorization.

110420144521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76031.

The product of its (nonzero) digits is 1280, while the sum is 25.

Adding to 110420144521 its reverse (125441024011), we get a palindrome (235861168532).

The spelling of 110420144521 in words is "one hundred ten billion, four hundred twenty million, one hundred forty-four thousand, five hundred twenty-one".