221042000232143 has 2 divisors, whose sum is σ = 221042000232144. Its totient is φ = 221042000232142.

The previous prime is 221042000232139. The next prime is 221042000232167. The reversal of 221042000232143 is 341232000240122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221042000232143 - 2² = 221042000232139 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221042000232173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110521000116071 + 110521000116072.

It is an arithmetic number, because the mean of its divisors is an integer number (110521000116072).

Almost surely, 2^{221042000232143} is an apocalyptic number.

221042000232143 is a deficient number, since it is larger than the sum of its proper divisors (1).

221042000232143 is an equidigital number, since it uses as much as digits as its factorization.

221042000232143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 221042000232143 its reverse (341232000240122), we get a palindrome (562274000472265).

The spelling of 221042000232143 in words is "two hundred twenty-one trillion, forty-two billion, two hundred thirty-two thousand, one hundred forty-three".