112112101 has 4 divisors (see below), whose sum is σ = 113200672. Its totient is φ = 111023532.

The previous prime is 112112071. The next prime is 112112111. The reversal of 112112101 is 101211211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 112112101 - 2⁵ = 112112069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112112111) 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, 544131 + ... + 544336.

It is an arithmetic number, because the mean of its divisors is an integer number (28300168).

Almost surely, 2^112112101 is an apocalyptic number.

It is an amenable number.

112112101 is a deficient number, since it is larger than the sum of its proper divisors (1088571).

112112101 is a wasteful number, since it uses less digits than its factorization.

112112101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088570.

The product of its (nonzero) digits is 4, while the sum is 10.

The square root of 112112101 is about 10588.3001940821. The cubic root of 112112101 is about 482.1892202559.

Adding to 112112101 its reverse (101211211), we get a palindrome (213323312).

It can be divided in two parts, 11211210 and 1, that added together give a palindrome (11211211).

The spelling of 112112101 in words is "one hundred twelve million, one hundred twelve thousand, one hundred one".