1001002221213 has 4 divisors (see below), whose sum is σ = 1334669628288. Its totient is φ = 667334814140.

The previous prime is 1001002221179. The next prime is 1001002221221. The reversal of 1001002221213 is 3121222001001.

1001002221213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1001002221213 - 2¹⁰ = 1001002220189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1001002221192 and 1001002221201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001002223213) 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, 166833703533 + ... + 166833703538.

It is an arithmetic number, because the mean of its divisors is an integer number (333667407072).

Almost surely, 2^{1001002221213} is an apocalyptic number.

It is an amenable number.

1001002221213 is a deficient number, since it is larger than the sum of its proper divisors (333667407075).

1001002221213 is an equidigital number, since it uses as much as digits as its factorization.

1001002221213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333667407074.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1001002221213 its reverse (3121222001001), we get a palindrome (4122224222214).

The spelling of 1001002221213 in words is "one trillion, one billion, two million, two hundred twenty-one thousand, two hundred thirteen".