21120324232103 has 8 divisors (see below), whose sum is σ = 21142479163776. Its totient is φ = 21098171001600.

The previous prime is 21120324232093. The next prime is 21120324232109. The reversal of 21120324232103 is 30123242302112.

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 21120324232103 - 2¹⁴ = 21120324215719 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 (21120324232109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25228283 + ... + 26052003.

It is an arithmetic number, because the mean of its divisors is an integer number (2642809895472).

Almost surely, 2^{21120324232103} is an apocalyptic number.

21120324232103 is a deficient number, since it is larger than the sum of its proper divisors (22154931673).

21120324232103 is an equidigital number, since it uses as much as digits as its factorization.

21120324232103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850585.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 21120324232103 its reverse (30123242302112), we get a palindrome (51243566534215).

The spelling of 21120324232103 in words is "twenty-one trillion, one hundred twenty billion, three hundred twenty-four million, two hundred thirty-two thousand, one hundred three".