211214143 has 8 divisors (see below), whose sum is σ = 242784288. Its totient is φ = 179993184.

The previous prime is 211214111. The next prime is 211214161. The reversal of 211214143 is 341412112.

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

It is not a de Polignac number, because 211214143 - 2⁵ = 211214111 is a prime.

It is a super-2 number, since 2×211214143² = 89222828406448898, which contains 22 as substring.

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 211214143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211214173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85996 + ... + 88417.

It is an arithmetic number, because the mean of its divisors is an integer number (30348036).

Almost surely, 2^211214143 is an apocalyptic number.

211214143 is a deficient number, since it is larger than the sum of its proper divisors (31570145).

211214143 is a wasteful number, since it uses less digits than its factorization.

211214143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174593.

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

The square root of 211214143 is about 14533.2082831012. The cubic root of 211214143 is about 595.5355139258.

Adding to 211214143 its reverse (341412112), we get a palindrome (552626255).

The spelling of 211214143 in words is "two hundred eleven million, two hundred fourteen thousand, one hundred forty-three".