21120011320303 has 8 divisors (see below), whose sum is σ = 24199205041440. Its totient is φ = 18056329910880.

The previous prime is 21120011320169. The next prime is 21120011320307. The reversal of 21120011320303 is 30302311002112.

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 21120011320303 - 2¹³ = 21120011312111 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 (21120011320307) 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, 3878075008 + ... + 3878080453.

It is an arithmetic number, because the mean of its divisors is an integer number (3024900630180).

Almost surely, 2^{21120011320303} is an apocalyptic number.

21120011320303 is a deficient number, since it is larger than the sum of its proper divisors (3079193721137).

21120011320303 is an equidigital number, since it uses as much as digits as its factorization.

21120011320303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7756155857.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 21120011320303 its reverse (30302311002112), we get a palindrome (51422322322415).

The spelling of 21120011320303 in words is "twenty-one trillion, one hundred twenty billion, eleven million, three hundred twenty thousand, three hundred three".