103224405521 has 4 divisors (see below), whose sum is σ = 103238656512. Its totient is φ = 103210154532.

The previous prime is 103224405457. The next prime is 103224405547. The reversal of 103224405521 is 125504422301.

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: 125504422301 = 20323 ⋅6175487.

It is a cyclic number.

It is not a de Polignac number, because 103224405521 - 2⁶ = 103224405457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103224405551) 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, 7114625 + ... + 7129118.

It is an arithmetic number, because the mean of its divisors is an integer number (25809664128).

Almost surely, 2^103224405521 is an apocalyptic number.

It is an amenable number.

103224405521 is a deficient number, since it is larger than the sum of its proper divisors (14250991).

103224405521 is an equidigital number, since it uses as much as digits as its factorization.

103224405521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14250990.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 103224405521 its reverse (125504422301), we get a palindrome (228728827822).

The spelling of 103224405521 in words is "one hundred three billion, two hundred twenty-four million, four hundred five thousand, five hundred twenty-one".