221000403112443 has 6 divisors (see below), whose sum is σ = 319222804495764. Its totient is φ = 147333602074956.

The previous prime is 221000403112439. The next prime is 221000403112477. The reversal of 221000403112443 is 344211304000122.

221000403112443 is a `hidden beast` number, since 2 + 2 + 1 + 0 + 0 + 0 + 403 + 11 + 244 + 3 = 666.

It is not a de Polignac number, because 221000403112443 - 2² = 221000403112439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221000403112043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12277800172905 + ... + 12277800172922.

It is an arithmetic number, because the mean of its divisors is an integer number (53203800749294).

Almost surely, 2^{221000403112443} is an apocalyptic number.

221000403112443 is a deficient number, since it is larger than the sum of its proper divisors (98222401383321).

221000403112443 is a wasteful number, since it uses less digits than its factorization.

221000403112443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24555600345833 (or 24555600345830 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 221000403112443 its reverse (344211304000122), we get a palindrome (565211707112565).

The spelling of 221000403112443 in words is "two hundred twenty-one trillion, four hundred three million, one hundred twelve thousand, four hundred forty-three".