211045233 has 16 divisors (see below), whose sum is σ = 322033536. Its totient is φ = 120432000.

The previous prime is 211045223. The next prime is 211045273. The reversal of 211045233 is 332540112.

It is not a de Polignac number, because 211045233 - 2⁵ = 211045201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (211045223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9733 + ... + 22733.

It is an arithmetic number, because the mean of its divisors is an integer number (20127096).

Almost surely, 2^211045233 is an apocalyptic number.

It is an amenable number.

211045233 is a deficient number, since it is larger than the sum of its proper divisors (110988303).

211045233 is a wasteful number, since it uses less digits than its factorization.

211045233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13784.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 211045233 is about 14527.3959469686. The cubic root of 211045233 is about 595.3767197451.

Adding to 211045233 its reverse (332540112), we get a palindrome (543585345).

It can be divided in two parts, 2110452 and 33, that added together give a triangular number (2110485 = T₂₀₅₄).

The spelling of 211045233 in words is "two hundred eleven million, forty-five thousand, two hundred thirty-three".