211322212320 has 96 divisors (see below), whose sum is σ = 673144486560. Its totient is φ = 55719403520.

The previous prime is 211322212253. The next prime is 211322212349. The reversal of 211322212320 is 23212223112.

211322212320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2430621 + ... + 2516060.

It is an arithmetic number, because the mean of its divisors is an integer number (7011921735).

Almost surely, 2^211322212320 is an apocalyptic number.

211322212320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211322212320 is an abundant number, since it is smaller than the sum of its proper divisors (461822274240).

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

211322212320 is a wasteful number, since it uses less digits than its factorization.

211322212320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4946788 (or 4946780 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 211322212320 its reverse (23212223112), we get a palindrome (234534435432).

The spelling of 211322212320 in words is "two hundred eleven billion, three hundred twenty-two million, two hundred twelve thousand, three hundred twenty".