2041133221 has 4 divisors (see below), whose sum is σ = 2044231200. Its totient is φ = 2038035244.

The previous prime is 2041133179. The next prime is 2041133233. The reversal of 2041133221 is 1223311402.

It is a happy number.

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: 1223311402 = 2 ⋅611655701.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2041133221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2041133251) 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, 1548001 + ... + 1549318.

It is an arithmetic number, because the mean of its divisors is an integer number (511057800).

Almost surely, 2^2041133221 is an apocalyptic number.

It is an amenable number.

2041133221 is a deficient number, since it is larger than the sum of its proper divisors (3097979).

2041133221 is an equidigital number, since it uses as much as digits as its factorization.

2041133221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3097978.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2041133221 is about 45178.9023881723. The cubic root of 2041133221 is about 1268.4999382416.

Adding to 2041133221 its reverse (1223311402), we get a palindrome (3264444623).

The spelling of 2041133221 in words is "two billion, forty-one million, one hundred thirty-three thousand, two hundred twenty-one".