21333331102019 has 2 divisors, whose sum is σ = 21333331102020. Its totient is φ = 21333331102018.

The previous prime is 21333331102007. The next prime is 21333331102081. The reversal of 21333331102019 is 91020113333312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21333331102019 - 2⁴ = 21333331102003 is a prime.

It is a super-2 number, since 2×21333331102019² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (21333331102819) 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, 10666665551009 + 10666665551010.

It is an arithmetic number, because the mean of its divisors is an integer number (10666665551010).

Almost surely, 2^{21333331102019} is an apocalyptic number.

21333331102019 is a deficient number, since it is larger than the sum of its proper divisors (1).

21333331102019 is an equidigital number, since it uses as much as digits as its factorization.

21333331102019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 32.

The spelling of 21333331102019 in words is "twenty-one trillion, three hundred thirty-three billion, three hundred thirty-one million, one hundred two thousand, nineteen".