21133304302 has 8 divisors (see below), whose sum is σ = 34581770712. Its totient is φ = 9606047400.

The previous prime is 21133304281. The next prime is 21133304303. The reversal of 21133304302 is 20340333112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 960604741 = 21133304302 / (2 + 1 + 1 + 3 + 3 + 3 + 0 + 4 + 3 + 0 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21133304303) 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, 480302349 + ... + 480302392.

It is an arithmetic number, because the mean of its divisors is an integer number (4322721339).

Almost surely, 2^21133304302 is an apocalyptic number.

21133304302 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21133304302 is a deficient number, since it is larger than the sum of its proper divisors (13448466410).

21133304302 is a wasteful number, since it uses less digits than its factorization.

21133304302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960604754.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 21133304302 its reverse (20340333112), we get a palindrome (41473637414).

The spelling of 21133304302 in words is "twenty-one billion, one hundred thirty-three million, three hundred four thousand, three hundred two".