111210442011 has 6 divisors (see below), whose sum is σ = 160637305140. Its totient is φ = 74140294668.

The previous prime is 111210442009. The next prime is 111210442027. The reversal of 111210442011 is 110244012111.

111210442011 is a `hidden beast` number, since 1 + 1 + 1 + 210 + 442 + 0 + 11 = 666.

It is not a de Polignac number, because 111210442011 - 2¹ = 111210442009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111210443011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6178357881 + ... + 6178357898.

It is an arithmetic number, because the mean of its divisors is an integer number (26772884190).

Almost surely, 2^111210442011 is an apocalyptic number.

111210442011 is a deficient number, since it is larger than the sum of its proper divisors (49426863129).

111210442011 is a wasteful number, since it uses less digits than its factorization.

111210442011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12356715785 (or 12356715782 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 111210442011 its reverse (110244012111), we get a palindrome (221454454122).

The spelling of 111210442011 in words is "one hundred eleven billion, two hundred ten million, four hundred forty-two thousand, eleven".