112000221 has 24 divisors (see below), whose sum is σ = 166831704. Its totient is φ = 72351360.

The previous prime is 112000219. The next prime is 112000249. The reversal of 112000221 is 122000211.

It can be written as a sum of positive squares in 4 ways, for example, as 19263321 + 92736900 = 4389^2 + 9630^2 .

It is not a de Polignac number, because 112000221 - 2¹ = 112000219 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 (112000261) 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, 105031 + ... + 106091.

It is an arithmetic number, because the mean of its divisors is an integer number (6951321).

Almost surely, 2^112000221 is an apocalyptic number.

It is an amenable number.

112000221 is a deficient number, since it is larger than the sum of its proper divisors (54831483).

112000221 is a wasteful number, since it uses less digits than its factorization.

112000221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421 (or 1418 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 112000221 is about 10583.0156855218. The cubic root of 112000221 is about 482.0287698833.

Adding to 112000221 its reverse (122000211), we get a palindrome (234000432).

The spelling of 112000221 in words is "one hundred twelve million, two hundred twenty-one", and thus it is an aban number.