211322103222320 has 80 divisors (see below), whose sum is σ = 494872205630880. Its totient is φ = 83918411845632.

The previous prime is 211322103222283. The next prime is 211322103222323. The reversal of 211322103222320 is 23222301223112.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 211322103222320.

It is not an unprimeable number, because it can be changed into a prime (211322103222323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 436918862 + ... + 437402258.

It is an arithmetic number, because the mean of its divisors is an integer number (6185902570386).

Almost surely, 2^{211322103222320} is an apocalyptic number.

211322103222320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211322103222320 is an abundant number, since it is smaller than the sum of its proper divisors (283550102408560).

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

211322103222320 is a wasteful number, since it uses less digits than its factorization.

211322103222320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522862 (or 522856 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 211322103222320 its reverse (23222301223112), we get a palindrome (234544404445432).

The spelling of 211322103222320 in words is "two hundred eleven trillion, three hundred twenty-two billion, one hundred three million, two hundred twenty-two thousand, three hundred twenty".