111214403243111 has 48 divisors (see below), whose sum is σ = 142998405690816. Its totient is φ = 85781903606784.

The previous prime is 111214403243089. The next prime is 111214403243113. The reversal of 111214403243111 is 111342304412111.

It is a de Polignac number, because none of the positive numbers 2^k-111214403243111 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 (111214403243113) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43926365 + ... + 46389161.

It is an arithmetic number, because the mean of its divisors is an integer number (2979133451892).

Almost surely, 2^{111214403243111} is an apocalyptic number.

111214403243111 is a deficient number, since it is larger than the sum of its proper divisors (31784002447705).

111214403243111 is a wasteful number, since it uses less digits than its factorization.

111214403243111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2465208 (or 2465201 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

Adding to 111214403243111 its reverse (111342304412111), we get a palindrome (222556707655222).

The spelling of 111214403243111 in words is "one hundred eleven trillion, two hundred fourteen billion, four hundred three million, two hundred forty-three thousand, one hundred eleven".