2001013322021 has 8 divisors (see below), whose sum is σ = 2288339264640. Its totient is φ = 1714054103568.

The previous prime is 2001013321997. The next prime is 2001013322023. The reversal of 2001013322021 is 1202233101002.

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 2001013322021 - 2¹⁴ = 2001013305637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001013322023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91669346 + ... + 91691171.

It is an arithmetic number, because the mean of its divisors is an integer number (286042408080).

Almost surely, 2^{2001013322021} is an apocalyptic number.

It is an amenable number.

2001013322021 is a deficient number, since it is larger than the sum of its proper divisors (287325942619).

2001013322021 is a wasteful number, since it uses less digits than its factorization.

2001013322021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183362083.

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

Adding to 2001013322021 its reverse (1202233101002), we get a palindrome (3203246423023).

The spelling of 2001013322021 in words is "two trillion, one billion, thirteen million, three hundred twenty-two thousand, twenty-one".