221342411132 has 12 divisors (see below), whose sum is σ = 387360830136. Its totient is φ = 110667888240.

The previous prime is 221342411131. The next prime is 221342411201. The reversal of 221342411132 is 231114243122.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221342411131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 676058 + ... + 948545.

It is an arithmetic number, because the mean of its divisors is an integer number (32280069178).

Almost surely, 2^221342411132 is an apocalyptic number.

It is an amenable number.

221342411132 is a deficient number, since it is larger than the sum of its proper divisors (166018419004).

221342411132 is a wasteful number, since it uses less digits than its factorization.

221342411132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1658668 (or 1658666 counting only the distinct ones).

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

Adding to 221342411132 its reverse (231114243122), we get a palindrome (452456654254).

The spelling of 221342411132 in words is "two hundred twenty-one billion, three hundred forty-two million, four hundred eleven thousand, one hundred thirty-two".