111442000206 has 64 divisors (see below), whose sum is σ = 229558323456. Its totient is φ = 36045331200.

The previous prime is 111442000193. The next prime is 111442000207. The reversal of 111442000206 is 602000244111.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111442000207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42517576 + ... + 42520196.

It is an arithmetic number, because the mean of its divisors is an integer number (3586848804).

Almost surely, 2^111442000206 is an apocalyptic number.

111442000206 is an abundant number, since it is smaller than the sum of its proper divisors (118116323250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111442000206 is a wasteful number, since it uses less digits than its factorization.

111442000206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3537.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 111442000206 its reverse (602000244111), we get a palindrome (713442244317).

The spelling of 111442000206 in words is "one hundred eleven billion, four hundred forty-two million, two hundred six", and thus it is an aban number.