211342034223320 has 512 divisors, whose sum is σ = 647403040972800. Its totient is φ = 59956020633600.

The previous prime is 211342034223319. The next prime is 211342034223323. The reversal of 211342034223320 is 23322430243112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211342034223323) 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 127 ways as a sum of consecutive naturals, for example, 2394467990 + ... + 2394556250.

It is an arithmetic number, because the mean of its divisors is an integer number (1264459064400).

Almost surely, 2^{211342034223320} is an apocalyptic number.

211342034223320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211342034223320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (323701520486400).

211342034223320 is an abundant number, since it is smaller than the sum of its proper divisors (436061006749480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211342034223320 is a wasteful number, since it uses less digits than its factorization.

211342034223320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89139 (or 89135 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 211342034223320 its reverse (23322430243112), we get a palindrome (234664464466432).

The spelling of 211342034223320 in words is "two hundred eleven trillion, three hundred forty-two billion, thirty-four million, two hundred twenty-three thousand, three hundred twenty".