11331123220133 has 2 divisors, whose sum is σ = 11331123220134. Its totient is φ = 11331123220132.

The previous prime is 11331123220121. The next prime is 11331123220163. The reversal of 11331123220133 is 33102232113311.

11331123220133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11138759400484 + 192363819649 = 3337478^2 + 438593^2 .

It is a cyclic number.

It is not a de Polignac number, because 11331123220133 - 2¹² = 11331123216037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11331123220163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5665561610066 + 5665561610067.

It is an arithmetic number, because the mean of its divisors is an integer number (5665561610067).

Almost surely, 2^{11331123220133} is an apocalyptic number.

It is an amenable number.

11331123220133 is a deficient number, since it is larger than the sum of its proper divisors (1).

11331123220133 is an equidigital number, since it uses as much as digits as its factorization.

11331123220133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 11331123220133 its reverse (33102232113311), we get a palindrome (44433355333444).

The spelling of 11331123220133 in words is "eleven trillion, three hundred thirty-one billion, one hundred twenty-three million, two hundred twenty thousand, one hundred thirty-three".