21330103221269 has 2 divisors, whose sum is σ = 21330103221270. Its totient is φ = 21330103221268.

The previous prime is 21330103221253. The next prime is 21330103221367. The reversal of 21330103221269 is 96212230103312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14141736302500 + 7188366918769 = 3760550^2 + 2681113^2 .

It is a cyclic number.

It is not a de Polignac number, because 21330103221269 - 2⁴ = 21330103221253 is a prime.

It is a super-2 number, since 2×21330103221269² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21330103221169) 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, 10665051610634 + 10665051610635.

It is an arithmetic number, because the mean of its divisors is an integer number (10665051610635).

Almost surely, 2^{21330103221269} is an apocalyptic number.

It is an amenable number.

21330103221269 is a deficient number, since it is larger than the sum of its proper divisors (1).

21330103221269 is an equidigital number, since it uses as much as digits as its factorization.

21330103221269 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 35.

The spelling of 21330103221269 in words is "twenty-one trillion, three hundred thirty billion, one hundred three million, two hundred twenty-one thousand, two hundred sixty-nine".