211322340224 has 16 divisors (see below), whose sum is σ = 420993724920. Its totient is φ = 105661170048.

The previous prime is 211322340223. The next prime is 211322340233. The reversal of 211322340224 is 422043223112.

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 211322340193 and 211322340202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211322340223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 825477764 + ... + 825478019.

Almost surely, 2^211322340224 is an apocalyptic number.

It is an amenable number.

211322340224 is a deficient number, since it is larger than the sum of its proper divisors (209671384696).

211322340224 is an equidigital number, since it uses as much as digits as its factorization.

211322340224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1650955797 (or 1650955785 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 211322340224 its reverse (422043223112), we get a palindrome (633365563336).

The spelling of 211322340224 in words is "two hundred eleven billion, three hundred twenty-two million, three hundred forty thousand, two hundred twenty-four".