221330331130 has 8 divisors (see below), whose sum is σ = 398394596052. Its totient is φ = 88532132448.

The previous prime is 221330331121. The next prime is 221330331133. The reversal of 221330331130 is 31133033122.

221330331130 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 177149233881 + 44181097249 = 420891^2 + 210193^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (221330331133) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 11066516547 + ... + 11066516566.

Almost surely, 2^221330331130 is an apocalyptic number.

221330331130 is a deficient number, since it is larger than the sum of its proper divisors (177064264922).

221330331130 is a wasteful number, since it uses less digits than its factorization.

221330331130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22133033120.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 221330331130 its reverse (31133033122), we get a palindrome (252463364252).

The spelling of 221330331130 in words is "two hundred twenty-one billion, three hundred thirty million, three hundred thirty-one thousand, one hundred thirty".