112113421 has 6 divisors (see below), whose sum is σ = 130417710. Its totient is φ = 96097176.

The previous prime is 112113401. The next prime is 112113439. The reversal of 112113421 is 124311211.

It can be written as a sum of positive squares in only one way, i.e., 80910025 + 31203396 = 8995^2 + 5586^2 .

It is a de Polignac number, because none of the positive numbers 2^k-112113421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112113395 and 112113404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112113401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1143966 + ... + 1144063.

It is an arithmetic number, because the mean of its divisors is an integer number (21736285).

Almost surely, 2^112113421 is an apocalyptic number.

It is an amenable number.

112113421 is a deficient number, since it is larger than the sum of its proper divisors (18304289).

112113421 is an equidigital number, since it uses as much as digits as its factorization.

112113421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2288043 (or 2288036 counting only the distinct ones).

The product of its digits is 48, while the sum is 16.

The square root of 112113421 is about 10588.3625268499. The cubic root of 112113421 is about 482.1911126691.

Adding to 112113421 its reverse (124311211), we get a palindrome (236424632).

The spelling of 112113421 in words is "one hundred twelve million, one hundred thirteen thousand, four hundred twenty-one".