11331223212133 has 32 divisors (see below), whose sum is σ = 12507356126592. Its totient is φ = 10179830304000.

The previous prime is 11331223212131. The next prime is 11331223212217. The reversal of 11331223212133 is 33121232213311.

It is a cyclic number.

It is not a de Polignac number, because 11331223212133 - 2¹ = 11331223212131 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331223212131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2264883210 + ... + 2264888212.

It is an arithmetic number, because the mean of its divisors is an integer number (390854878956).

Almost surely, 2^{11331223212133} is an apocalyptic number.

It is an amenable number.

11331223212133 is a deficient number, since it is larger than the sum of its proper divisors (1176132914459).

11331223212133 is a wasteful number, since it uses less digits than its factorization.

11331223212133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8565.

The product of its digits is 3888, while the sum is 28.

Adding to 11331223212133 its reverse (33121232213311), we get a palindrome (44452455425444).

The spelling of 11331223212133 in words is "eleven trillion, three hundred thirty-one billion, two hundred twenty-three million, two hundred twelve thousand, one hundred thirty-three".