221200011101143 has 2 divisors, whose sum is σ = 221200011101144. Its totient is φ = 221200011101142.

The previous prime is 221200011101141. The next prime is 221200011101149. The reversal of 221200011101143 is 341101110002122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221200011101143 - 2¹ = 221200011101141 is a prime.

It is a super-2 number, since 2×221200011101143² (a number of 29 digits) contains 22 as substring.

Together with 221200011101141, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 221200011101143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221200011101141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110600005550571 + 110600005550572.

It is an arithmetic number, because the mean of its divisors is an integer number (110600005550572).

Almost surely, 2^{221200011101143} is an apocalyptic number.

221200011101143 is a deficient number, since it is larger than the sum of its proper divisors (1).

221200011101143 is an equidigital number, since it uses as much as digits as its factorization.

221200011101143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 221200011101143 its reverse (341101110002122), we get a palindrome (562301121103265).

The spelling of 221200011101143 in words is "two hundred twenty-one trillion, two hundred billion, eleven million, one hundred one thousand, one hundred forty-three".