1021003213013 has 4 divisors (see below), whose sum is σ = 1166860814880. Its totient is φ = 875145611148.

The previous prime is 1021003213007. The next prime is 1021003213019. The reversal of 1021003213013 is 3103123001201.

1021003213013 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 an interprime number because it is at equal distance from previous prime (1021003213007) and next prime (1021003213019).

It is a cyclic number.

It is not a de Polignac number, because 1021003213013 - 2²⁴ = 1020986435797 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1021003212982 and 1021003213000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021003213019) 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, 72928800923 + ... + 72928800936.

It is an arithmetic number, because the mean of its divisors is an integer number (291715203720).

Almost surely, 2^{1021003213013} is an apocalyptic number.

It is an amenable number.

1021003213013 is a deficient number, since it is larger than the sum of its proper divisors (145857601867).

1021003213013 is an equidigital number, since it uses as much as digits as its factorization.

1021003213013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145857601866.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1021003213013 its reverse (3103123001201), we get a palindrome (4124126214214).

The spelling of 1021003213013 in words is "one trillion, twenty-one billion, three million, two hundred thirteen thousand, thirteen".