2033130221 has 4 divisors (see below), whose sum is σ = 2033623932. Its totient is φ = 2032636512.

The previous prime is 2033130167. The next prime is 2033130233. The reversal of 2033130221 is 1220313302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 869365225 + 1163764996 = 29485^2 + 34114^2 .

It is a cyclic number.

It is not a de Polignac number, because 2033130221 - 2¹⁸ = 2032868077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2033130221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2033130271) 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 3 ways as a sum of consecutive naturals, for example, 240626 + ... + 248931.

It is an arithmetic number, because the mean of its divisors is an integer number (508405983).

Almost surely, 2^2033130221 is an apocalyptic number.

It is an amenable number.

2033130221 is a deficient number, since it is larger than the sum of its proper divisors (493711).

2033130221 is an equidigital number, since it uses as much as digits as its factorization.

2033130221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493710.

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

The square root of 2033130221 is about 45090.2452976251. The cubic root of 2033130221 is about 1266.8398960295.

Adding to 2033130221 its reverse (1220313302), we get a palindrome (3253443523).

The spelling of 2033130221 in words is "two billion, thirty-three million, one hundred thirty thousand, two hundred twenty-one".