1002200001013 has 4 divisors (see below), whose sum is σ = 1004776351020. Its totient is φ = 999623651008.

The previous prime is 1002200001007. The next prime is 1002200001017. The reversal of 1002200001013 is 3101000022001.

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

It can be written as a sum of positive squares in 2 ways, for example, as 671813008164 + 330386992849 = 819642^2 + 574793^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002200001013 - 2¹⁷ = 1002199869941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002200001017) 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, 1288174420 + ... + 1288175197.

It is an arithmetic number, because the mean of its divisors is an integer number (251194087755).

Almost surely, 2^{1002200001013} is an apocalyptic number.

It is an amenable number.

1002200001013 is a deficient number, since it is larger than the sum of its proper divisors (2576350007).

1002200001013 is an equidigital number, since it uses as much as digits as its factorization.

1002200001013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2576350006.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 1002200001013 its reverse (3101000022001), we get a palindrome (4103200023014).

The spelling of 1002200001013 in words is "one trillion, two billion, two hundred million, one thousand, thirteen".