221232132234124 has 48 divisors (see below), whose sum is σ = 426293871363360. Its totient is φ = 99622431498240.

The previous prime is 221232132234109. The next prime is 221232132234167. The reversal of 221232132234124 is 421432231232122.

It is a self number, because there is not a number n which added to its sum of digits gives 221232132234124.

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, 263469 + ... + 21036484.

It is an arithmetic number, because the mean of its divisors is an integer number (8881122320070).

Almost surely, 2^{221232132234124} is an apocalyptic number.

It is an amenable number.

221232132234124 is a deficient number, since it is larger than the sum of its proper divisors (205061739129236).

221232132234124 is a wasteful number, since it uses less digits than its factorization.

221232132234124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21302170 (or 21302168 counting only the distinct ones).

The product of its digits is 55296, while the sum is 34.

Adding to 221232132234124 its reverse (421432231232122), we get a palindrome (642664363466246).

The spelling of 221232132234124 in words is "two hundred twenty-one trillion, two hundred thirty-two billion, one hundred thirty-two million, two hundred thirty-four thousand, one hundred twenty-four".