21331220300003 has 2 divisors, whose sum is σ = 21331220300004. Its totient is φ = 21331220300002.

The previous prime is 21331220299969. The next prime is 21331220300029. The reversal of 21331220300003 is 30000302213312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21331220300003 - 2⁴² = 16933173788899 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (21331220300603) 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 as a sum of consecutive naturals, namely, 10665610150001 + 10665610150002.

It is an arithmetic number, because the mean of its divisors is an integer number (10665610150002).

Almost surely, 2^{21331220300003} is an apocalyptic number.

21331220300003 is a deficient number, since it is larger than the sum of its proper divisors (1).

21331220300003 is an equidigital number, since it uses as much as digits as its factorization.

21331220300003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 21331220300003 its reverse (30000302213312), we get a palindrome (51331522513315).

The spelling of 21331220300003 in words is "twenty-one trillion, three hundred thirty-one billion, two hundred twenty million, three hundred thousand, three".