1002211211209 has 8 divisors (see below), whose sum is σ = 1082414773440. Its totient is φ = 922451990736.

The previous prime is 1002211211171. The next prime is 1002211211227. The reversal of 1002211211209 is 9021121122001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1002211211209 - 2⁹ = 1002211210697 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1002211211209.

It is not an unprimeable number, because it can be changed into a prime (1002211211009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111080749 + ... + 111089770.

It is an arithmetic number, because the mean of its divisors is an integer number (135301846680).

Almost surely, 2^{1002211211209} is an apocalyptic number.

It is an amenable number.

1002211211209 is a deficient number, since it is larger than the sum of its proper divisors (80203562231).

1002211211209 is a wasteful number, since it uses less digits than its factorization.

1002211211209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222170879.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 1002211211209 in words is "one trillion, two billion, two hundred eleven million, two hundred eleven thousand, two hundred nine".