211141243 has 8 divisors (see below), whose sum is σ = 222397200. Its totient is φ = 199899648.

The previous prime is 211141213. The next prime is 211141253. The reversal of 211141243 is 342141112.

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 211141243 - 2¹³ = 211133051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 211141243.

It is not an unprimeable number, because it can be changed into a prime (211141213) 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, 40743 + ... + 45631.

It is an arithmetic number, because the mean of its divisors is an integer number (27799650).

Almost surely, 2^211141243 is an apocalyptic number.

211141243 is a deficient number, since it is larger than the sum of its proper divisors (11255957).

211141243 is a wasteful number, since it uses less digits than its factorization.

211141243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7181.

The product of its digits is 192, while the sum is 19.

The square root of 211141243 is about 14530.7000175491. The cubic root of 211141243 is about 595.4669902084.

Adding to 211141243 its reverse (342141112), we get a palindrome (553282355).

The spelling of 211141243 in words is "two hundred eleven million, one hundred forty-one thousand, two hundred forty-three".