111144412303 has 4 divisors (see below), whose sum is σ = 111191770600. Its totient is φ = 111097054008.

The previous prime is 111144412283. The next prime is 111144412321. The reversal of 111144412303 is 303214441111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 303214441111 = 6029 ⋅50292659.

It is a cyclic number.

It is not a de Polignac number, because 111144412303 - 2¹⁷ = 111144281231 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 (111144412363) 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, 23675628 + ... + 23680321.

It is an arithmetic number, because the mean of its divisors is an integer number (27797942650).

Almost surely, 2^111144412303 is an apocalyptic number.

111144412303 is a deficient number, since it is larger than the sum of its proper divisors (47358297).

111144412303 is an equidigital number, since it uses as much as digits as its factorization.

111144412303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47358296.

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

Adding to 111144412303 its reverse (303214441111), we get a palindrome (414358853414).

The spelling of 111144412303 in words is "one hundred eleven billion, one hundred forty-four million, four hundred twelve thousand, three hundred three".