1000221002219 has 2 divisors, whose sum is σ = 1000221002220. Its totient is φ = 1000221002218.

The previous prime is 1000221002171. The next prime is 1000221002239. The reversal of 1000221002219 is 9122001220001.

It is a happy number.

It is an a-pointer prime, because the next prime (1000221002239) can be obtained adding 1000221002219 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000221002219 is a prime.

It is a super-2 number, since 2×1000221002219² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1000221002219.

It is not a weakly prime, because it can be changed into another prime (1000221002239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500110501109 + 500110501110.

It is an arithmetic number, because the mean of its divisors is an integer number (500110501110).

Almost surely, 2^{1000221002219} is an apocalyptic number.

1000221002219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000221002219 is an equidigital number, since it uses as much as digits as its factorization.

1000221002219 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 20.

The spelling of 1000221002219 in words is "one trillion, two hundred twenty-one million, two thousand, two hundred nineteen".