21330220113003 has 4 divisors (see below), whose sum is σ = 28440293484008. Its totient is φ = 14220146742000.

The previous prime is 21330220112989. The next prime is 21330220113011. The reversal of 21330220113003 is 30031102203312.

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

It is not a de Polignac number, because 21330220113003 - 2²¹ = 21330218015851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21330220183003) 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, 3555036685498 + ... + 3555036685503.

It is an arithmetic number, because the mean of its divisors is an integer number (7110073371002).

Almost surely, 2^{21330220113003} is an apocalyptic number.

21330220113003 is a deficient number, since it is larger than the sum of its proper divisors (7110073371005).

21330220113003 is an equidigital number, since it uses as much as digits as its factorization.

21330220113003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7110073371004.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 21330220113003 its reverse (30031102203312), we get a palindrome (51361322316315).

The spelling of 21330220113003 in words is "twenty-one trillion, three hundred thirty billion, two hundred twenty million, one hundred thirteen thousand, three".