1000021000219 has 2 divisors, whose sum is σ = 1000021000220. Its totient is φ = 1000021000218.

The previous prime is 1000021000207. The next prime is 1000021000241. The reversal of 1000021000219 is 9120001200001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1000021000219 - 2⁹ = 1000020999707 is a prime.

It is a super-2 number, since 2×1000021000219² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1000021000249) 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, 500010500109 + 500010500110.

It is an arithmetic number, because the mean of its divisors is an integer number (500010500110).

Almost surely, 2^{1000021000219} is an apocalyptic number.

1000021000219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000021000219 is an equidigital number, since it uses as much as digits as its factorization.

1000021000219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 16.

The spelling of 1000021000219 in words is "one trillion, twenty-one million, two hundred nineteen", and thus it is an aban number.