21330133043183 has 2 divisors, whose sum is σ = 21330133043184. Its totient is φ = 21330133043182.

The previous prime is 21330133043119. The next prime is 21330133043203. The reversal of 21330133043183 is 38134033103312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21330133043183 - 2⁶ = 21330133043119 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21330133043383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10665066521591 + 10665066521592.

It is an arithmetic number, because the mean of its divisors is an integer number (10665066521592).

Almost surely, 2^{21330133043183} is an apocalyptic number.

21330133043183 is a deficient number, since it is larger than the sum of its proper divisors (1).

21330133043183 is an equidigital number, since it uses as much as digits as its factorization.

21330133043183 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 35.

Adding to 21330133043183 its reverse (38134033103312), we get a palindrome (59464166146495).

The spelling of 21330133043183 in words is "twenty-one trillion, three hundred thirty billion, one hundred thirty-three million, forty-three thousand, one hundred eighty-three".