20113211020033 has 2 divisors, whose sum is σ = 20113211020034. Its totient is φ = 20113211020032.

The previous prime is 20113211019971. The next prime is 20113211020061. The reversal of 20113211020033 is 33002011231102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19704214957249 + 408996062784 = 4438943^2 + 639528^2 .

It is a cyclic number.

It is not a de Polignac number, because 20113211020033 - 2²¹ = 20113208922881 is a prime.

It is not a weakly prime, because it can be changed into another prime (20113211024033) 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, 10056605510016 + 10056605510017.

It is an arithmetic number, because the mean of its divisors is an integer number (10056605510017).

Almost surely, 2^{20113211020033} is an apocalyptic number.

It is an amenable number.

20113211020033 is a deficient number, since it is larger than the sum of its proper divisors (1).

20113211020033 is an equidigital number, since it uses as much as digits as its factorization.

20113211020033 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 19.

Adding to 20113211020033 its reverse (33002011231102), we get a palindrome (53115222251135).

The spelling of 20113211020033 in words is "twenty trillion, one hundred thirteen billion, two hundred eleven million, twenty thousand, thirty-three".