112215501 has 24 divisors (see below), whose sum is σ = 172242720. Its totient is φ = 70199136.

The previous prime is 112215491. The next prime is 112215511. The reversal of 112215501 is 105512211.

112215501 is a `hidden beast` number, since 112 + 2 + 1 + 550 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (112215491) and next prime (112215511).

It is not a de Polignac number, because 112215501 - 2⁶ = 112215437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112215511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15231 + ... + 21363.

It is an arithmetic number, because the mean of its divisors is an integer number (7176780).

Almost surely, 2^112215501 is an apocalyptic number.

It is an amenable number.

112215501 is a deficient number, since it is larger than the sum of its proper divisors (60027219).

112215501 is a wasteful number, since it uses less digits than its factorization.

112215501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6265 (or 6262 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 112215501 is about 10593.1818166215. The cubic root of 112215501 is about 482.3374143248.

Adding to 112215501 its reverse (105512211), we get a palindrome (217727712).

The spelling of 112215501 in words is "one hundred twelve million, two hundred fifteen thousand, five hundred one".