221313102132 has 24 divisors (see below), whose sum is σ = 516508254976. Its totient is φ = 73755174528.

The previous prime is 221313102097. The next prime is 221313102161. The reversal of 221313102132 is 231201313122.

221313102132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 221313102099 and 221313102108.

It is a congruent number.

It is an unprimeable number.

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, 1924228 + ... + 2035995.

Almost surely, 2^221313102132 is an apocalyptic number.

It is an amenable number.

221313102132 is an abundant number, since it is smaller than the sum of its proper divisors (295195152844).

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

221313102132 is a wasteful number, since it uses less digits than its factorization.

221313102132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3964887 (or 3964885 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 221313102132 its reverse (231201313122), we get a palindrome (452514415254).

The spelling of 221313102132 in words is "two hundred twenty-one billion, three hundred thirteen million, one hundred two thousand, one hundred thirty-two".