21000002002219 has 2 divisors, whose sum is σ = 21000002002220. Its totient is φ = 21000002002218.

The previous prime is 21000002002211. The next prime is 21000002002261. The reversal of 21000002002219 is 91220020000012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21000002002219 - 2³ = 21000002002211 is a prime.

It is a super-2 number, since 2×21000002002219² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21000002002196 and 21000002002205.

It is not a weakly prime, because it can be changed into another prime (21000002002211) 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, 10500001001109 + 10500001001110.

It is an arithmetic number, because the mean of its divisors is an integer number (10500001001110).

Almost surely, 2^{21000002002219} is an apocalyptic number.

21000002002219 is a deficient number, since it is larger than the sum of its proper divisors (1).

21000002002219 is an equidigital number, since it uses as much as digits as its factorization.

21000002002219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

The spelling of 21000002002219 in words is "twenty-one trillion, two million, two thousand, two hundred nineteen".