113211223133 has 4 divisors (see below), whose sum is σ = 113317128060. Its totient is φ = 113105318208.

The previous prime is 113211223117. The next prime is 113211223159. The reversal of 113211223133 is 331322112311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 91156894084 + 22054329049 = 301922^2 + 148507^2 .

It is a cyclic number.

It is not a de Polignac number, because 113211223133 - 2⁴ = 113211223117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 113211223099 and 113211223108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113211225133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52950860 + ... + 52952997.

It is an arithmetic number, because the mean of its divisors is an integer number (28329282015).

Almost surely, 2^113211223133 is an apocalyptic number.

It is an amenable number.

113211223133 is a deficient number, since it is larger than the sum of its proper divisors (105904927).

113211223133 is a wasteful number, since it uses less digits than its factorization.

113211223133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105904926.

The product of its digits is 648, while the sum is 23.

Adding to 113211223133 its reverse (331322112311), we get a palindrome (444533335444).

The spelling of 113211223133 in words is "one hundred thirteen billion, two hundred eleven million, two hundred twenty-three thousand, one hundred thirty-three".