20012001011333 has 2 divisors, whose sum is σ = 20012001011334. Its totient is φ = 20012001011332.

The previous prime is 20012001011291. The next prime is 20012001011341. The reversal of 20012001011333 is 33311010021002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10990670387524 + 9021330623809 = 3315218^2 + 3003553^2 .

It is a cyclic number.

It is not a de Polignac number, because 20012001011333 - 2⁶ = 20012001011269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20012001011383) 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 as a sum of consecutive naturals, namely, 10006000505666 + 10006000505667.

It is an arithmetic number, because the mean of its divisors is an integer number (10006000505667).

Almost surely, 2^{20012001011333} is an apocalyptic number.

It is an amenable number.

20012001011333 is a deficient number, since it is larger than the sum of its proper divisors (1).

20012001011333 is an equidigital number, since it uses as much as digits as its factorization.

20012001011333 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 20012001011333 its reverse (33311010021002), we get a palindrome (53323011032335).

The spelling of 20012001011333 in words is "twenty trillion, twelve billion, one million, eleven thousand, three hundred thirty-three".