211200321132 has 144 divisors (see below), whose sum is σ = 561963397632. Its totient is φ = 69344346240.

The previous prime is 211200321127. The next prime is 211200321161. The reversal of 211200321132 is 231123002112.

211200321132 is a `hidden beast` number, since 2 + 11 + 200 + 321 + 132 = 666.

It is a super-2 number, since 2×211200321132² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 73154193 + ... + 73157079.

Almost surely, 2^211200321132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211200321132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280981698816).

211200321132 is an abundant number, since it is smaller than the sum of its proper divisors (350763076500).

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

211200321132 is a wasteful number, since it uses less digits than its factorization.

211200321132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4010 (or 3996 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 211200321132 its reverse (231123002112), we get a palindrome (442323323244).

The spelling of 211200321132 in words is "two hundred eleven billion, two hundred million, three hundred twenty-one thousand, one hundred thirty-two".