112011142 has 4 divisors (see below), whose sum is σ = 168016716. Its totient is φ = 56005570.

The previous prime is 112011103. The next prime is 112011143. The reversal of 112011142 is 241110211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241110211 = 643 ⋅374977.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112011143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28002784 + ... + 28002787.

It is an arithmetic number, because the mean of its divisors is an integer number (42004179).

Almost surely, 2^112011142 is an apocalyptic number.

112011142 is a deficient number, since it is larger than the sum of its proper divisors (56005574).

112011142 is an equidigital number, since it uses as much as digits as its factorization.

112011142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56005573.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 112011142 is about 10583.5316411867. The cubic root of 112011142 is about 482.0444367128.

Adding to 112011142 its reverse (241110211), we get a palindrome (353121353).

The spelling of 112011142 in words is "one hundred twelve million, eleven thousand, one hundred forty-two".