211105133 has 8 divisors (see below), whose sum is σ = 230734080. Its totient is φ = 192277440.

The previous prime is 211105121. The next prime is 211105151. The reversal of 211105133 is 331501112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211105133 - 2⁴ = 211105117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211105033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199763 + ... + 200816.

It is an arithmetic number, because the mean of its divisors is an integer number (28841760).

Almost surely, 2^211105133 is an apocalyptic number.

It is an amenable number.

211105133 is a deficient number, since it is larger than the sum of its proper divisors (19628947).

211105133 is a wasteful number, since it uses less digits than its factorization.

211105133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400627.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 211105133 is about 14529.4574227670. The cubic root of 211105133 is about 595.4330420976.

Adding to 211105133 its reverse (331501112), we get a palindrome (542606245).

The spelling of 211105133 in words is "two hundred eleven million, one hundred five thousand, one hundred thirty-three".