1001012021013 has 8 divisors (see below), whose sum is σ = 1380706236000. Its totient is φ = 644329576688.

The previous prime is 1001012020999. The next prime is 1001012021021. The reversal of 1001012021013 is 3101202101001.

1001012021013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1001012021013 - 2⁴ = 1001012020997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1001012021013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001012021083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5752942563 + ... + 5752942736.

It is an arithmetic number, because the mean of its divisors is an integer number (172588279500).

Almost surely, 2^{1001012021013} is an apocalyptic number.

It is an amenable number.

1001012021013 is a deficient number, since it is larger than the sum of its proper divisors (379694214987).

1001012021013 is a wasteful number, since it uses less digits than its factorization.

1001012021013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11505885331.

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

Adding to 1001012021013 its reverse (3101202101001), we get a palindrome (4102214122014).

The spelling of 1001012021013 in words is "one trillion, one billion, twelve million, twenty-one thousand, thirteen".