111100142 has 8 divisors (see below), whose sum is σ = 167284656. Its totient is φ = 55338592.

The previous prime is 111100141. The next prime is 111100147. The reversal of 111100142 is 241001111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111100141) 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, 105083 + ... + 106134.

It is an arithmetic number, because the mean of its divisors is an integer number (20910582).

Almost surely, 2^111100142 is an apocalyptic number.

111100142 is a deficient number, since it is larger than the sum of its proper divisors (56184514).

111100142 is a wasteful number, since it uses less digits than its factorization.

111100142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211482.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 111100142 is about 10540.4052104272. The cubic root of 111100142 is about 480.7340360527.

Adding to 111100142 its reverse (241001111), we get a palindrome (352101253).

The spelling of 111100142 in words is "one hundred eleven million, one hundred thousand, one hundred forty-two".