211324142242 has 8 divisors (see below), whose sum is σ = 316989892800. Its totient is φ = 105660844644.

The previous prime is 211324142207. The next prime is 211324142279. The reversal of 211324142242 is 242241423112.

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

It is a super-4 number, since 4×211324142242⁴ (a number of 46 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211324142242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380142 + ... + 753097.

It is an arithmetic number, because the mean of its divisors is an integer number (39623736600).

Almost surely, 2^211324142242 is an apocalyptic number.

211324142242 is a deficient number, since it is larger than the sum of its proper divisors (105665750558).

211324142242 is a wasteful number, since it uses less digits than its factorization.

211324142242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226480.

The product of its digits is 6144, while the sum is 28.

Adding to 211324142242 its reverse (242241423112), we get a palindrome (453565565354).

The spelling of 211324142242 in words is "two hundred eleven billion, three hundred twenty-four million, one hundred forty-two thousand, two hundred forty-two".