103533121241321 has 4 divisors (see below), whose sum is σ = 103550271010692. Its totient is φ = 103515971471952.

The previous prime is 103533121241213. The next prime is 103533121241357. The reversal of 103533121241321 is 123142121335301.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 73332436126096 + 30200685115225 = 8563436^2 + 5495515^2 .

It is a cyclic number.

It is not a de Polignac number, because 103533121241321 - 2²⁶ = 103533054132457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103533121241521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8574875630 + ... + 8574887703.

It is an arithmetic number, because the mean of its divisors is an integer number (25887567752673).

Almost surely, 2^{103533121241321} is an apocalyptic number.

It is an amenable number.

103533121241321 is a deficient number, since it is larger than the sum of its proper divisors (17149769371).

103533121241321 is an equidigital number, since it uses as much as digits as its factorization.

103533121241321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17149769370.

The product of its (nonzero) digits is 12960, while the sum is 32.

Adding to 103533121241321 its reverse (123142121335301), we get a palindrome (226675242576622).

The spelling of 103533121241321 in words is "one hundred three trillion, five hundred thirty-three billion, one hundred twenty-one million, two hundred forty-one thousand, three hundred twenty-one".