211132073 has 4 divisors (see below), whose sum is σ = 211336320. Its totient is φ = 210927828.

The previous prime is 211132069. The next prime is 211132081. The reversal of 211132073 is 370231112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 211132073 - 2² = 211132069 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211132013) 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, 100565 + ... + 102642.

It is an arithmetic number, because the mean of its divisors is an integer number (52834080).

Almost surely, 2^211132073 is an apocalyptic number.

It is an amenable number.

211132073 is a deficient number, since it is larger than the sum of its proper divisors (204247).

211132073 is a wasteful number, since it uses less digits than its factorization.

211132073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204246.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 211132073 is about 14530.3844752986. The cubic root of 211132073 is about 595.4583695788.

Adding to 211132073 its reverse (370231112), we get a palindrome (581363185).

The spelling of 211132073 in words is "two hundred eleven million, one hundred thirty-two thousand, seventy-three".