213111322320 has 160 divisors (see below), whose sum is σ = 721485321984. Its totient is φ = 51719270400.

The previous prime is 213111322283. The next prime is 213111322339. The reversal of 213111322320 is 23223111312.

213111322320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 259501 + ... + 702540.

Almost surely, 2^213111322320 is an apocalyptic number.

213111322320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213111322320 is an abundant number, since it is smaller than the sum of its proper divisors (508373999664).

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

213111322320 is a wasteful number, since it uses less digits than its factorization.

213111322320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962141 (or 962135 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 213111322320 its reverse (23223111312), we get a palindrome (236334433632).

The spelling of 213111322320 in words is "two hundred thirteen billion, one hundred eleven million, three hundred twenty-two thousand, three hundred twenty".