221330509204996 has 96 divisors (see below), whose sum is σ = 411988686721920. Its totient is φ = 103748770944000.

The previous prime is 221330509204991. The next prime is 221330509204999. The reversal of 221330509204996 is 699402905033122.

It is not an unprimeable number, because it can be changed into a prime (221330509204991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2160303571 + ... + 2160406021.

It is an arithmetic number, because the mean of its divisors is an integer number (4291548820020).

Almost surely, 2^{221330509204996} is an apocalyptic number.

It is an amenable number.

221330509204996 is a deficient number, since it is larger than the sum of its proper divisors (190658177516924).

221330509204996 is a wasteful number, since it uses less digits than its factorization.

221330509204996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103445 (or 103443 counting only the distinct ones).

The product of its (nonzero) digits is 6298560, while the sum is 55.

The spelling of 221330509204996 in words is "two hundred twenty-one trillion, three hundred thirty billion, five hundred nine million, two hundred four thousand, nine hundred ninety-six".