2021132033 has 4 divisors (see below), whose sum is σ = 2022082608. Its totient is φ = 2020181460.

The previous prime is 2021131999. The next prime is 2021132041. The reversal of 2021132033 is 3302311202.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3302311202 = 2 ⋅1651155601.

It is a cyclic number.

It is not a de Polignac number, because 2021132033 - 2²² = 2016937729 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 (2021132063) 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, 472091 + ... + 476352.

It is an arithmetic number, because the mean of its divisors is an integer number (505520652).

Almost surely, 2^2021132033 is an apocalyptic number.

It is an amenable number.

2021132033 is a deficient number, since it is larger than the sum of its proper divisors (950575).

2021132033 is an equidigital number, since it uses as much as digits as its factorization.

2021132033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950574.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2021132033 is about 44957.0020463998. The cubic root of 2021132033 is about 1264.3429611423.

Adding to 2021132033 its reverse (3302311202), we get a palindrome (5323443235).

The spelling of 2021132033 in words is "two billion, twenty-one million, one hundred thirty-two thousand, thirty-three".