221120443143 has 12 divisors (see below), whose sum is σ = 330409857960. Its totient is φ = 142330400016.

The previous prime is 221120443127. The next prime is 221120443163. The reversal of 221120443143 is 341344021122.

221120443143 is a `hidden beast` number, since 2 + 21 + 1 + 204 + 431 + 4 + 3 = 666.

It is not a de Polignac number, because 221120443143 - 2⁴ = 221120443127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221120443163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 423602121 + ... + 423602642.

It is an arithmetic number, because the mean of its divisors is an integer number (27534154830).

Almost surely, 2^221120443143 is an apocalyptic number.

221120443143 is a deficient number, since it is larger than the sum of its proper divisors (109289414817).

221120443143 is a wasteful number, since it uses less digits than its factorization.

221120443143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847204798 (or 847204795 counting only the distinct ones).

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

Adding to 221120443143 its reverse (341344021122), we get a palindrome (562464464265).

The spelling of 221120443143 in words is "two hundred twenty-one billion, one hundred twenty million, four hundred forty-three thousand, one hundred forty-three".