213242021111133 has 96 divisors (see below), whose sum is σ = 372500021836800. Its totient is φ = 114831910545408.

The previous prime is 213242021111123. The next prime is 213242021111219. The reversal of 213242021111133 is 331111120242312.

213242021111133 is a `hidden beast` number, since 2 + 1 + 3 + 2 + 420 + 211 + 11 + 13 + 3 = 666.

It is not a de Polignac number, because 213242021111133 - 2¹⁴ = 213242021094749 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213242021111097 and 213242021111106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213242021111123) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 194913838 + ... + 196004816.

It is an arithmetic number, because the mean of its divisors is an integer number (3880208560800).

Almost surely, 2^{213242021111133} is an apocalyptic number.

It is an amenable number.

213242021111133 is a deficient number, since it is larger than the sum of its proper divisors (159258000725667).

213242021111133 is a wasteful number, since it uses less digits than its factorization.

213242021111133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091871 (or 1091868 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 213242021111133 its reverse (331111120242312), we get a palindrome (544353141353445).

The spelling of 213242021111133 in words is "two hundred thirteen trillion, two hundred forty-two billion, twenty-one million, one hundred eleven thousand, one hundred thirty-three".