242243403211 has 4 divisors (see below), whose sum is σ = 243391476424. Its totient is φ = 241095330000.

The previous prime is 242243403161. The next prime is 242243403221. The reversal of 242243403211 is 112304342242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 242243403211 - 2¹¹ = 242243401163 is a prime.

It is a super-2 number, since 2×242243403211² (a number of 24 digits) 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 242243403211.

It is not an unprimeable number, because it can be changed into a prime (242243403221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 574036290 + ... + 574036711.

It is an arithmetic number, because the mean of its divisors is an integer number (60847869106).

Almost surely, 2^242243403211 is an apocalyptic number.

242243403211 is a deficient number, since it is larger than the sum of its proper divisors (1148073213).

242243403211 is a wasteful number, since it uses less digits than its factorization.

242243403211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148073212.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 242243403211 its reverse (112304342242), we get a palindrome (354547745453).

The spelling of 242243403211 in words is "two hundred forty-two billion, two hundred forty-three million, four hundred three thousand, two hundred eleven".