211842215328243 has 8 divisors (see below), whose sum is σ = 282493118050000. Its totient is φ = 141209728079328.

The previous prime is 211842215328223. The next prime is 211842215328257. The reversal of 211842215328243 is 342823512248112.

It is a happy number.

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

It is not a de Polignac number, because 211842215328243 - 2⁶ = 211842215328179 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211842215328192 and 211842215328201.

It is not an unprimeable number, because it can be changed into a prime (211842215328203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4603841368 + ... + 4603887381.

It is an arithmetic number, because the mean of its divisors is an integer number (35311639756250).

Almost surely, 2^{211842215328243} is an apocalyptic number.

211842215328243 is a deficient number, since it is larger than the sum of its proper divisors (70650902721757).

211842215328243 is an equidigital number, since it uses as much as digits as its factorization.

211842215328243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9207736421.

The product of its digits is 1474560, while the sum is 48.

The spelling of 211842215328243 in words is "two hundred eleven trillion, eight hundred forty-two billion, two hundred fifteen million, three hundred twenty-eight thousand, two hundred forty-three".