112042221 has 16 divisors (see below), whose sum is σ = 157579200. Its totient is φ = 70616448.

The previous prime is 112042213. The next prime is 112042237. The reversal of 112042221 is 122240211.

It is not a de Polignac number, because 112042221 - 2³ = 112042213 is a prime.

It is a super-2 number, since 2×112042221² = 25106918573225682, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 112042221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112042241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29985 + ... + 33513.

It is an arithmetic number, because the mean of its divisors is an integer number (9848700).

Almost surely, 2^112042221 is an apocalyptic number.

It is an amenable number.

112042221 is a deficient number, since it is larger than the sum of its proper divisors (45536979).

112042221 is a wasteful number, since it uses less digits than its factorization.

112042221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4108.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 112042221 is about 10584.9998110534. Note that the first 3 decimals coincide. The cubic root of 112042221 is about 482.0890158306.

Adding to 112042221 its reverse (122240211), we get a palindrome (234282432).

The spelling of 112042221 in words is "one hundred twelve million, forty-two thousand, two hundred twenty-one".