213112103320 has 64 divisors (see below), whose sum is σ = 486374414400. Its totient is φ = 84023708160.

The previous prime is 213112103297. The next prime is 213112103333. The reversal of 213112103320 is 23301211312.

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, 17593426 + ... + 17605534.

It is an arithmetic number, because the mean of its divisors is an integer number (7599600225).

Almost surely, 2^213112103320 is an apocalyptic number.

213112103320 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 213112103320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243187207200).

213112103320 is an abundant number, since it is smaller than the sum of its proper divisors (273262311080).

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

213112103320 is a wasteful number, since it uses less digits than its factorization.

213112103320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18388 (or 18384 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 213112103320 its reverse (23301211312), we get a palindrome (236413314632).

The spelling of 213112103320 in words is "two hundred thirteen billion, one hundred twelve million, one hundred three thousand, three hundred twenty".