111042042 has 16 divisors (see below), whose sum is σ = 233772960. Its totient is φ = 35065872.

The previous prime is 111042037. The next prime is 111042047. The reversal of 111042042 is 240240111.

It is an interprime number because it is at equal distance from previous prime (111042037) and next prime (111042047).

It is not an unprimeable number, because it can be changed into a prime (111042047) 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, 486913 + ... + 487140.

It is an arithmetic number, because the mean of its divisors is an integer number (14610810).

Almost surely, 2^111042042 is an apocalyptic number.

111042042 is an abundant number, since it is smaller than the sum of its proper divisors (122730918).

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

111042042 is a wasteful number, since it uses less digits than its factorization.

111042042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974077.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 111042042 is about 10537.6487889851. The cubic root of 111042042 is about 480.6502212252.

Adding to 111042042 its reverse (240240111), we get a palindrome (351282153).

The spelling of 111042042 in words is "one hundred eleven million, forty-two thousand, forty-two".