1002222101209 has 4 divisors (see below), whose sum is σ = 1145396687104. Its totient is φ = 859047515316.

The previous prime is 1002222101203. The next prime is 1002222101263. The reversal of 1002222101209 is 9021012222001.

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 1002222101209 - 2¹⁷ = 1002221970137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1002222101209.

It is not an unprimeable number, because it can be changed into a prime (1002222101203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71587292937 + ... + 71587292950.

It is an arithmetic number, because the mean of its divisors is an integer number (286349171776).

Almost surely, 2^{1002222101209} is an apocalyptic number.

It is an amenable number.

1002222101209 is a deficient number, since it is larger than the sum of its proper divisors (143174585895).

1002222101209 is an equidigital number, since it uses as much as digits as its factorization.

1002222101209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143174585894.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 1002222101209 in words is "one trillion, two billion, two hundred twenty-two million, one hundred one thousand, two hundred nine".