221234411132 has 24 divisors (see below), whose sum is σ = 442479598176. Its totient is φ = 94812438528.

The previous prime is 221234411131. The next prime is 221234411221. The reversal of 221234411132 is 231114432122.

It is a happy number.

221234411132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221234411131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1596488 + ... + 1729520.

It is an arithmetic number, because the mean of its divisors is an integer number (18436649924).

Almost surely, 2^221234411132 is an apocalyptic number.

It is an amenable number.

221234411132 is an abundant number, since it is smaller than the sum of its proper divisors (221245187044).

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

221234411132 is a wasteful number, since it uses less digits than its factorization.

221234411132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192437 (or 192435 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

Adding to 221234411132 its reverse (231114432122), we get a palindrome (452348843254).

The spelling of 221234411132 in words is "two hundred twenty-one billion, two hundred thirty-four million, four hundred eleven thousand, one hundred thirty-two".