1001220200009 has 4 divisors (see below), whose sum is σ = 1022522757504. Its totient is φ = 979917642516.

The previous prime is 1001220199999. The next prime is 1001220200021. The reversal of 1001220200009 is 9000020221001.

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 a de Polignac number, because none of the positive numbers 2^k-1001220200009 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 1001220200009.

It is not an unprimeable number, because it can be changed into a prime (1001220200609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10651278677 + ... + 10651278770.

It is an arithmetic number, because the mean of its divisors is an integer number (255630689376).

Almost surely, 2^{1001220200009} is an apocalyptic number.

It is an amenable number.

1001220200009 is a deficient number, since it is larger than the sum of its proper divisors (21302557495).

1001220200009 is an equidigital number, since it uses as much as digits as its factorization.

1001220200009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21302557494.

The product of its (nonzero) digits is 72, while the sum is 17.

The spelling of 1001220200009 in words is "one trillion, one billion, two hundred twenty million, two hundred thousand, nine".