211440242033 has 8 divisors (see below), whose sum is σ = 216364672128. Its totient is φ = 206516139984.

The previous prime is 211440242017. The next prime is 211440242081. The reversal of 211440242033 is 330242044112.

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 211440242033 - 2⁴ = 211440242017 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 = 211440241993 and 211440242011.

It is not an unprimeable number, because it can be changed into a prime (211440242093) 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, 1636391 + ... + 1760867.

It is an arithmetic number, because the mean of its divisors is an integer number (27045584016).

Almost surely, 2^211440242033 is an apocalyptic number.

It is an amenable number.

211440242033 is a deficient number, since it is larger than the sum of its proper divisors (4924430095).

211440242033 is a wasteful number, since it uses less digits than its factorization.

211440242033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164023.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 211440242033 its reverse (330242044112), we get a palindrome (541682286145).

The spelling of 211440242033 in words is "two hundred eleven billion, four hundred forty million, two hundred forty-two thousand, thirty-three".