112120101 has 24 divisors (see below), whose sum is σ = 173571840. Its totient is φ = 69559776.

The previous prime is 112120093. The next prime is 112120103. The reversal of 112120101 is 101021211.

It is a happy number.

It is not a de Polignac number, because 112120101 - 2³ = 112120093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112120103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 340 + ... + 14978.

It is an arithmetic number, because the mean of its divisors is an integer number (7232160).

Almost surely, 2^112120101 is an apocalyptic number.

It is an amenable number.

112120101 is a deficient number, since it is larger than the sum of its proper divisors (61451739).

112120101 is a wasteful number, since it uses less digits than its factorization.

112120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14705 (or 14702 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 112120101 is about 10588.6779628054. The cubic root of 112120101 is about 482.2006891993.

Adding to 112120101 its reverse (101021211), we get a palindrome (213141312).

The spelling of 112120101 in words is "one hundred twelve million, one hundred twenty thousand, one hundred one".