21133200441 has 8 divisors (see below), whose sum is σ = 28178514144. Its totient is φ = 14088343520.

The previous prime is 21133200379. The next prime is 21133200521. The reversal of 21133200441 is 14400233112.

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 21133200441 - 2¹⁵ = 21133167673 is a prime.

It is a super-2 number, since 2×21133200441² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21133200041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14470 + ... + 206096.

It is an arithmetic number, because the mean of its divisors is an integer number (3522314268).

Almost surely, 2^21133200441 is an apocalyptic number.

It is an amenable number.

21133200441 is a deficient number, since it is larger than the sum of its proper divisors (7045313703).

21133200441 is a wasteful number, since it uses less digits than its factorization.

21133200441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228391.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 21133200441 its reverse (14400233112), we get a palindrome (35533433553).

The spelling of 21133200441 in words is "twenty-one billion, one hundred thirty-three million, two hundred thousand, four hundred forty-one".