103224503621 has 4 divisors (see below), whose sum is σ = 103373888544. Its totient is φ = 103075118700.

The previous prime is 103224503573. The next prime is 103224503651. The reversal of 103224503621 is 126305422301.

It is a happy number.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103224503621 is a prime.

It is a super-2 number, since 2×103224503621² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103224503651) 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, 74691425 + ... + 74692806.

It is an arithmetic number, because the mean of its divisors is an integer number (25843472136).

Almost surely, 2^103224503621 is an apocalyptic number.

It is an amenable number.

103224503621 is a deficient number, since it is larger than the sum of its proper divisors (149384923).

103224503621 is an equidigital number, since it uses as much as digits as its factorization.

103224503621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149384922.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 103224503621 its reverse (126305422301), we get a palindrome (229529925922).

The spelling of 103224503621 in words is "one hundred three billion, two hundred twenty-four million, five hundred three thousand, six hundred twenty-one".