111443142301 has 2 divisors, whose sum is σ = 111443142302. Its totient is φ = 111443142300.

The previous prime is 111443142287. The next prime is 111443142311. The reversal of 111443142301 is 103241344111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110699271225 + 743871076 = 332715^2 + 27274^2 .

It is a cyclic number.

It is not a de Polignac number, because 111443142301 - 2¹¹ = 111443140253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111443142311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55721571150 + 55721571151.

It is an arithmetic number, because the mean of its divisors is an integer number (55721571151).

Almost surely, 2^111443142301 is an apocalyptic number.

It is an amenable number.

111443142301 is a deficient number, since it is larger than the sum of its proper divisors (1).

111443142301 is an equidigital number, since it uses as much as digits as its factorization.

111443142301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 111443142301 its reverse (103241344111), we get a palindrome (214684486412).

The spelling of 111443142301 in words is "one hundred eleven billion, four hundred forty-three million, one hundred forty-two thousand, three hundred one".