111141142 has 16 divisors (see below), whose sum is σ = 190674432. Its totient is φ = 47595240.

The previous prime is 111141139. The next prime is 111141143. The reversal of 111141142 is 241141111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111141143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24073 + ... + 28315.

It is an arithmetic number, because the mean of its divisors is an integer number (11917152).

Almost surely, 2^111141142 is an apocalyptic number.

111141142 is a deficient number, since it is larger than the sum of its proper divisors (79533290).

111141142 is a wasteful number, since it uses less digits than its factorization.

111141142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6123.

The product of its digits is 32, while the sum is 16.

The square root of 111141142 is about 10542.3499277912. The cubic root of 111141142 is about 480.7931649042.

Adding to 111141142 its reverse (241141111), we get a palindrome (352282253).

The spelling of 111141142 in words is "one hundred eleven million, one hundred forty-one thousand, one hundred forty-two".