1002211920209 has 4 divisors (see below), whose sum is σ = 1002290605680. Its totient is φ = 1002133234740.

The previous prime is 1002211920187. The next prime is 1002211920221. The reversal of 1002211920209 is 9020291122001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1002211920209 - 2³⁶ = 933492443473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002211920109) 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, 39323627 + ... + 39349104.

It is an arithmetic number, because the mean of its divisors is an integer number (250572651420).

Almost surely, 2^{1002211920209} is an apocalyptic number.

It is an amenable number.

1002211920209 is a deficient number, since it is larger than the sum of its proper divisors (78685471).

1002211920209 is an equidigital number, since it uses as much as digits as its factorization.

1002211920209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78685470.

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 1002211920209 in words is "one trillion, two billion, two hundred eleven million, nine hundred twenty thousand, two hundred nine".