111244341422143 has 4 divisors (see below), whose sum is σ = 112044660425320. Its totient is φ = 110444022418968.

The previous prime is 111244341422077. The next prime is 111244341422147. The reversal of 111244341422143 is 341224143442111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111244341422143 - 2¹³ = 111244341413951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111244341422147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400159501380 + ... + 400159501657.

It is an arithmetic number, because the mean of its divisors is an integer number (28011165106330).

Almost surely, 2^{111244341422143} is an apocalyptic number.

111244341422143 is a deficient number, since it is larger than the sum of its proper divisors (800319003177).

111244341422143 is an equidigital number, since it uses as much as digits as its factorization.

111244341422143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800319003176.

The product of its digits is 73728, while the sum is 37.

Adding to 111244341422143 its reverse (341224143442111), we get a palindrome (452468484864254).

The spelling of 111244341422143 in words is "one hundred eleven trillion, two hundred forty-four billion, three hundred forty-one million, four hundred twenty-two thousand, one hundred forty-three".