2021133 has 8 divisors (see below), whose sum is σ = 2727648. Its totient is φ = 1331024.

The previous prime is 2021119. The next prime is 2021137. The reversal of 2021133 is 3311202.

It is a happy number.

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 2021133 - 2⁸ = 2020877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3810 + ... + 4307.

It is an arithmetic number, because the mean of its divisors is an integer number (340956).

2^2021133 is an apocalyptic number.

It is an amenable number.

2021133 is a deficient number, since it is larger than the sum of its proper divisors (706515).

2021133 is an equidigital number, since it uses as much as digits as its factorization.

2021133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8203.

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

The square root of 2021133 is about 1421.6655724888. The cubic root of 2021133 is about 126.4343162782.

Adding to 2021133 its reverse (3311202), we get a palindrome (5332335).

The spelling of 2021133 in words is "two million, twenty-one thousand, one hundred thirty-three".