2011331211133 has 2 divisors, whose sum is σ = 2011331211134. Its totient is φ = 2011331211132.

The previous prime is 2011331211103. The next prime is 2011331211143. The reversal of 2011331211133 is 3311121331102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1698400613529 + 312930597604 = 1303227^2 + 559402^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2011331211133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2011331211103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005665605566 + 1005665605567.

It is an arithmetic number, because the mean of its divisors is an integer number (1005665605567).

Almost surely, 2^{2011331211133} is an apocalyptic number.

It is an amenable number.

2011331211133 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011331211133 is an equidigital number, since it uses as much as digits as its factorization.

2011331211133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 2011331211133 its reverse (3311121331102), we get a palindrome (5322452542235).

The spelling of 2011331211133 in words is "two trillion, eleven billion, three hundred thirty-one million, two hundred eleven thousand, one hundred thirty-three".