211313221322320 has 160 divisors (see below), whose sum is σ = 552111719588352. Its totient is φ = 74629434587136.

The previous prime is 211313221322309. The next prime is 211313221322327. The reversal of 211313221322320 is 23223122313112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211313221322327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2157463269 + ... + 2157561211.

Almost surely, 2^{211313221322320} is an apocalyptic number.

211313221322320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211313221322320 is an abundant number, since it is smaller than the sum of its proper divisors (340798498266032).

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

211313221322320 is a wasteful number, since it uses less digits than its factorization.

211313221322320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188189 (or 188183 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 211313221322320 its reverse (23223122313112), we get a palindrome (234536343635432).

The spelling of 211313221322320 in words is "two hundred eleven trillion, three hundred thirteen billion, two hundred twenty-one million, three hundred twenty-two thousand, three hundred twenty".