112112121101142 has 16 divisors (see below), whose sum is σ = 224224784264880. Its totient is φ = 37370616689952.

The previous prime is 112112121101047. The next prime is 112112121101143. The reversal of 112112121101142 is 241101121211211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112112121101143) 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, 19872133 + ... + 24882240.

It is an arithmetic number, because the mean of its divisors is an integer number (14014049016555).

Almost surely, 2^{112112121101142} is an apocalyptic number.

112112121101142 is an abundant number, since it is smaller than the sum of its proper divisors (112112663163738).

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

112112121101142 is a wasteful number, since it uses less digits than its factorization.

112112121101142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45171887.

The product of its (nonzero) digits is 64, while the sum is 21.

Adding to 112112121101142 its reverse (241101121211211), we get a palindrome (353213242312353).

The spelling of 112112121101142 in words is "one hundred twelve trillion, one hundred twelve billion, one hundred twenty-one million, one hundred one thousand, one hundred forty-two".