11012011133 has 2 divisors, whose sum is σ = 11012011134. Its totient is φ = 11012011132.

The previous prime is 11012011099. The next prime is 11012011141. The reversal of 11012011133 is 33111021011.

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., 6406081444 + 4605929689 = 80038^2 + 67867^2 .

It is a cyclic number.

It is not a de Polignac number, because 11012011133 - 2¹⁸ = 11011748989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11012011193) 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, 5506005566 + 5506005567.

It is an arithmetic number, because the mean of its divisors is an integer number (5506005567).

Almost surely, 2^11012011133 is an apocalyptic number.

It is an amenable number.

11012011133 is a deficient number, since it is larger than the sum of its proper divisors (1).

11012011133 is an equidigital number, since it uses as much as digits as its factorization.

11012011133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 11012011133 its reverse (33111021011), we get a palindrome (44123032144).

The spelling of 11012011133 in words is "eleven billion, twelve million, eleven thousand, one hundred thirty-three".