111101042 has 8 divisors (see below), whose sum is σ = 179470956. Its totient is φ = 51277392.

The previous prime is 111101041. The next prime is 111101077. The reversal of 111101042 is 240101111.

It can be written as a sum of positive squares in 2 ways, for example, as 108139201 + 2961841 = 10399^2 + 1721^2 .

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

It is not an unprimeable number, because it can be changed into a prime (111101041) 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, 2136533 + ... + 2136584.

Almost surely, 2^111101042 is an apocalyptic number.

111101042 is a deficient number, since it is larger than the sum of its proper divisors (68369914).

111101042 is a wasteful number, since it uses less digits than its factorization.

111101042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4273132.

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

The square root of 111101042 is about 10540.4479031965. The cubic root of 111101042 is about 480.7353341593.

Adding to 111101042 its reverse (240101111), we get a palindrome (351202153).

The spelling of 111101042 in words is "one hundred eleven million, one hundred one thousand, forty-two".