11331122231133 has 6 divisors (see below), whose sum is σ = 16367176556094. Its totient is φ = 7554081487416.

The previous prime is 11331122231123. The next prime is 11331122231137. The reversal of 11331122231133 is 33113222113311.

11331122231133 is a `hidden beast` number, since 1 + 1 + 3 + 311 + 2 + 2 + 2 + 311 + 33 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10263905135289 + 1067217095844 = 3203733^2 + 1033062^2 .

It is not a de Polignac number, because 11331122231133 - 2⁶ = 11331122231069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11331122231097 and 11331122231106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331122231137) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 629506790610 + ... + 629506790627.

It is an arithmetic number, because the mean of its divisors is an integer number (2727862759349).

Almost surely, 2^{11331122231133} is an apocalyptic number.

It is an amenable number.

11331122231133 is a deficient number, since it is larger than the sum of its proper divisors (5036054324961).

11331122231133 is a wasteful number, since it uses less digits than its factorization.

11331122231133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259013581243 (or 1259013581240 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

Adding to 11331122231133 its reverse (33113222113311), we get a palindrome (44444344344444).

The spelling of 11331122231133 in words is "eleven trillion, three hundred thirty-one billion, one hundred twenty-two million, two hundred thirty-one thousand, one hundred thirty-three".