21333029083 has 2 divisors, whose sum is σ = 21333029084. Its totient is φ = 21333029082.

The previous prime is 21333029027. The next prime is 21333029131. The reversal of 21333029083 is 38092033312.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21333029083 - 2¹⁷ = 21332898011 is a prime.

It is a super-2 number, since 2×21333029083² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (21333026083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10666514541 + 10666514542.

It is an arithmetic number, because the mean of its divisors is an integer number (10666514542).

Almost surely, 2^21333029083 is an apocalyptic number.

21333029083 is a deficient number, since it is larger than the sum of its proper divisors (1).

21333029083 is an equidigital number, since it uses as much as digits as its factorization.

21333029083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 34.

The spelling of 21333029083 in words is "twenty-one billion, three hundred thirty-three million, twenty-nine thousand, eighty-three".