21133333302013 has 2 divisors, whose sum is σ = 21133333302014. Its totient is φ = 21133333302012.

The previous prime is 21133333301999. The next prime is 21133333302019. The reversal of 21133333302013 is 31020333333112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20113188861529 + 1020144440484 = 4484773^2 + 1010022^2 .

It is a cyclic number.

It is not a de Polignac number, because 21133333302013 - 2¹⁷ = 21133333170941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21133333302019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10566666651006 + 10566666651007.

It is an arithmetic number, because the mean of its divisors is an integer number (10566666651007).

Almost surely, 2^{21133333302013} is an apocalyptic number.

It is an amenable number.

21133333302013 is a deficient number, since it is larger than the sum of its proper divisors (1).

21133333302013 is an equidigital number, since it uses as much as digits as its factorization.

21133333302013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 28.

Adding to 21133333302013 its reverse (31020333333112), we get a palindrome (52153666635125).

The spelling of 21133333302013 in words is "twenty-one trillion, one hundred thirty-three billion, three hundred thirty-three million, three hundred two thousand, thirteen".