221133321032 has 32 divisors (see below), whose sum is σ = 446565919800. Its totient is φ = 102050855424.

The previous prime is 221133320981. The next prime is 221133321119. The reversal of 221133321032 is 230123331122.

221133321032 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 4 ways, for example, as 217553213476 + 3580107556 = 466426^2 + 59834^2 .

It is a junction number, because it is equal to n+sod(n) for n = 221133320989 and 221133321007.

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, 934718 + ... + 1147154.

Almost surely, 2^221133321032 is an apocalyptic number.

It is an amenable number.

221133321032 is an abundant number, since it is smaller than the sum of its proper divisors (225432598768).

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

221133321032 is a wasteful number, since it uses less digits than its factorization.

221133321032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222465 (or 222461 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 221133321032 its reverse (230123331122), we get a palindrome (451256652154).

The spelling of 221133321032 in words is "two hundred twenty-one billion, one hundred thirty-three million, three hundred twenty-one thousand, thirty-two".