211013042 has 8 divisors (see below), whose sum is σ = 316637100. Its totient is φ = 105467344.

The previous prime is 211013041. The next prime is 211013051. The reversal of 211013042 is 240310112.

It can be written as a sum of positive squares in 2 ways, for example, as 156975841 + 54037201 = 12529^2 + 7351^2 .

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

It is not an unprimeable number, because it can be changed into a prime (211013041) 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, 12317 + ... + 23952.

Almost surely, 2^211013042 is an apocalyptic number.

211013042 is a deficient number, since it is larger than the sum of its proper divisors (105624058).

211013042 is a wasteful number, since it uses less digits than its factorization.

211013042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39180.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 211013042 is about 14526.2879635508. The cubic root of 211013042 is about 595.3464470144.

Adding to 211013042 its reverse (240310112), we get a palindrome (451323154).

The spelling of 211013042 in words is "two hundred eleven million, thirteen thousand, forty-two".