1002221122219 has 4 divisors (see below), whose sum is σ = 1005762539896. Its totient is φ = 998679704544.

The previous prime is 1002221122213. The next prime is 1002221122241. The reversal of 1002221122219 is 9122211222001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1002221122219 - 2¹⁵ = 1002221089451 is a prime.

It is a super-2 number, since 2×1002221122219² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002221122193 and 1002221122202.

It is not an unprimeable number, because it can be changed into a prime (1002221122213) 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 in 3 ways as a sum of consecutive naturals, for example, 1770708414 + ... + 1770708979.

It is an arithmetic number, because the mean of its divisors is an integer number (251440634974).

Almost surely, 2^{1002221122219} is an apocalyptic number.

1002221122219 is a deficient number, since it is larger than the sum of its proper divisors (3541417677).

1002221122219 is an equidigital number, since it uses as much as digits as its factorization.

1002221122219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3541417676.

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 1002221122219 in words is "one trillion, two billion, two hundred twenty-one million, one hundred twenty-two thousand, two hundred nineteen".