1002021322013 has 4 divisors (see below), whose sum is σ = 1002035995008. Its totient is φ = 1002006649020.

The previous prime is 1002021322009. The next prime is 1002021322033. The reversal of 1002021322013 is 3102231202001.

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 1002021322013 - 2² = 1002021322009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002021321982 and 1002021322000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002021322033) 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, 7233581 + ... + 7370802.

It is an arithmetic number, because the mean of its divisors is an integer number (250508998752).

Almost surely, 2^{1002021322013} is an apocalyptic number.

It is an amenable number.

1002021322013 is a deficient number, since it is larger than the sum of its proper divisors (14672995).

1002021322013 is an equidigital number, since it uses as much as digits as its factorization.

1002021322013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14672994.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1002021322013 its reverse (3102231202001), we get a palindrome (4104252524014).

The spelling of 1002021322013 in words is "one trillion, two billion, twenty-one million, three hundred twenty-two thousand, thirteen".