221003032132 has 36 divisors (see below), whose sum is σ = 405342706860. Its totient is φ = 105424994752.

The previous prime is 221003032093. The next prime is 221003032189. The reversal of 221003032132 is 231230300122.

221003032132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 159277617216 + 61725414916 = 399096^2 + 248446^2 .

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 11 ways as a sum of consecutive naturals, for example, 688878 + ... + 957370.

It is an arithmetic number, because the mean of its divisors is an integer number (11259519635).

Almost surely, 2^221003032132 is an apocalyptic number.

It is an amenable number.

221003032132 is a deficient number, since it is larger than the sum of its proper divisors (184339674728).

221003032132 is a wasteful number, since it uses less digits than its factorization.

221003032132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268932 (or 268907 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 221003032132 its reverse (231230300122), we get a palindrome (452233332254).

The spelling of 221003032132 in words is "two hundred twenty-one billion, three million, thirty-two thousand, one hundred thirty-two".