111133113042 has 32 divisors (see below), whose sum is σ = 254083737600. Its totient is φ = 31744168848.

The previous prime is 111133113001. The next prime is 111133113059. The reversal of 111133113042 is 240311331111.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172992 + ... + 502187.

It is an arithmetic number, because the mean of its divisors is an integer number (7940116800).

Almost surely, 2^111133113042 is an apocalyptic number.

111133113042 is an abundant number, since it is smaller than the sum of its proper divisors (142950624558).

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

111133113042 is a wasteful number, since it uses less digits than its factorization.

111133113042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679110.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 111133113042 its reverse (240311331111), we get a palindrome (351444444153).

The spelling of 111133113042 in words is "one hundred eleven billion, one hundred thirty-three million, one hundred thirteen thousand, forty-two".