211113230500 has 96 divisors (see below), whose sum is σ = 470287254528. Its totient is φ = 82760912000.

The previous prime is 211113230477. The next prime is 211113230533. The reversal of 211113230500 is 5032311112.

211113230500 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×211113230500² (a number of 23 digits) contains 22 as substring.

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, 27317637 + ... + 27325363.

It is an arithmetic number, because the mean of its divisors is an integer number (4898825568).

Almost surely, 2^211113230500 is an apocalyptic number.

211113230500 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 211113230500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235143627264).

211113230500 is an abundant number, since it is smaller than the sum of its proper divisors (259174024028).

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

211113230500 is a wasteful number, since it uses less digits than its factorization.

211113230500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8830 (or 8818 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

Adding to 211113230500 its reverse (5032311112), we get a palindrome (216145541612).

The spelling of 211113230500 in words is "two hundred eleven billion, one hundred thirteen million, two hundred thirty thousand, five hundred".