20112011201333 has 2 divisors, whose sum is σ = 20112011201334. Its totient is φ = 20112011201332.

The previous prime is 20112011201159. The next prime is 20112011201371. The reversal of 20112011201333 is 33310211021102.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12120438399364 + 7991572801969 = 3481442^2 + 2826937^2 .

It is a cyclic number.

It is not a de Polignac number, because 20112011201333 - 2²⁶ = 20111944092469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20112811201333) 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, 10056005600666 + 10056005600667.

It is an arithmetic number, because the mean of its divisors is an integer number (10056005600667).

Almost surely, 2^{20112011201333} is an apocalyptic number.

It is an amenable number.

20112011201333 is a deficient number, since it is larger than the sum of its proper divisors (1).

20112011201333 is an equidigital number, since it uses as much as digits as its factorization.

20112011201333 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 20112011201333 its reverse (33310211021102), we get a palindrome (53422222222435).

The spelling of 20112011201333 in words is "twenty trillion, one hundred twelve billion, eleven million, two hundred one thousand, three hundred thirty-three".