21133300005133 has 32 divisors (see below), whose sum is σ = 22064824615680. Its totient is φ = 20223179020800.

The previous prime is 21133300005121. The next prime is 21133300005197. The reversal of 21133300005133 is 33150000333112.

It is a cyclic number.

It is not a de Polignac number, because 21133300005133 - 2¹⁷ = 21133299874061 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21133300005098 and 21133300005107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21133300015133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 616096083 + ... + 616130383.

It is an arithmetic number, because the mean of its divisors is an integer number (689525769240).

Almost surely, 2^{21133300005133} is an apocalyptic number.

It is an amenable number.

21133300005133 is a deficient number, since it is larger than the sum of its proper divisors (931524610547).

21133300005133 is a wasteful number, since it uses less digits than its factorization.

21133300005133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35317.

The product of its (nonzero) digits is 2430, while the sum is 25.

Adding to 21133300005133 its reverse (33150000333112), we get a palindrome (54283300338245).

The spelling of 21133300005133 in words is "twenty-one trillion, one hundred thirty-three billion, three hundred million, five thousand, one hundred thirty-three".