221313124332 has 36 divisors (see below), whose sum is σ = 559576167696. Its totient is φ = 73751819040.

The previous prime is 221313124301. The next prime is 221313124349. The reversal of 221313124332 is 233421313122.

221313124332 is a `hidden beast` number, since 2 + 2 + 1 + 313 + 12 + 4 + 332 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 221313124296 and 221313124305.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 660519 + ... + 937502.

It is an arithmetic number, because the mean of its divisors is an integer number (15543782436).

Almost surely, 2^221313124332 is an apocalyptic number.

It is an amenable number.

221313124332 is an abundant number, since it is smaller than the sum of its proper divisors (338263043364).

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

221313124332 is a wasteful number, since it uses less digits than its factorization.

221313124332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601878 (or 1601873 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

Adding to 221313124332 its reverse (233421313122), we get a palindrome (454734437454).

The spelling of 221313124332 in words is "two hundred twenty-one billion, three hundred thirteen million, one hundred twenty-four thousand, three hundred thirty-two".