111320210143 has 4 divisors (see below), whose sum is σ = 111743481168. Its totient is φ = 110896939120.

The previous prime is 111320210129. The next prime is 111320210149. The reversal of 111320210143 is 341012023111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341012023111 = 71 ⋅4802986241.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111320210143 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111320210143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111320210149) 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, 211635118 + ... + 211635643.

It is an arithmetic number, because the mean of its divisors is an integer number (27935870292).

Almost surely, 2^111320210143 is an apocalyptic number.

111320210143 is a deficient number, since it is larger than the sum of its proper divisors (423271025).

111320210143 is an equidigital number, since it uses as much as digits as its factorization.

111320210143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423271024.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 111320210143 its reverse (341012023111), we get a palindrome (452332233254).

The spelling of 111320210143 in words is "one hundred eleven billion, three hundred twenty million, two hundred ten thousand, one hundred forty-three".