103321540421 has 4 divisors (see below), whose sum is σ = 112714407744. Its totient is φ = 93928673100.

The previous prime is 103321540363. The next prime is 103321540423. The reversal of 103321540421 is 124045123301.

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 not a de Polignac number, because 103321540421 - 2³⁴ = 86141671237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103321540423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4696433645 + ... + 4696433666.

It is an arithmetic number, because the mean of its divisors is an integer number (28178601936).

Almost surely, 2^103321540421 is an apocalyptic number.

103321540421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

103321540421 is a deficient number, since it is larger than the sum of its proper divisors (9392867323).

103321540421 is an equidigital number, since it uses as much as digits as its factorization.

103321540421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9392867322.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 103321540421 its reverse (124045123301), we get a palindrome (227366663722).

The spelling of 103321540421 in words is "one hundred three billion, three hundred twenty-one million, five hundred forty thousand, four hundred twenty-one".