2021001033 has 8 divisors (see below), whose sum is σ = 2700808000. Its totient is φ = 1344264048.

The previous prime is 2021001001. The next prime is 2021001041. The reversal of 2021001033 is 3301001202.

It is a happy number.

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

It is not a de Polignac number, because 2021001033 - 2⁵ = 2021001001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2021001043) 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, 765958 + ... + 768591.

It is an arithmetic number, because the mean of its divisors is an integer number (337601000).

Almost surely, 2^2021001033 is an apocalyptic number.

It is an amenable number.

2021001033 is a deficient number, since it is larger than the sum of its proper divisors (679806967).

2021001033 is a wasteful number, since it uses less digits than its factorization.

2021001033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1534991.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 2021001033 is about 44955.5450751073. The cubic root of 2021001033 is about 1264.3156443542.

Adding to 2021001033 its reverse (3301001202), we get a palindrome (5322002235).

The spelling of 2021001033 in words is "two billion, twenty-one million, one thousand, thirty-three".