112201131 has 40 divisors (see below), whose sum is σ = 179667344. Its totient is φ = 62233920.

The previous prime is 112201123. The next prime is 112201151. The reversal of 112201131 is 131102211.

It is not a de Polignac number, because 112201131 - 2³ = 112201123 is a prime.

It is a super-2 number, since 2×112201131² = 25178187595358322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112201151) 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 39 ways as a sum of consecutive naturals, for example, 266301 + ... + 266721.

Almost surely, 2^112201131 is an apocalyptic number.

112201131 is a deficient number, since it is larger than the sum of its proper divisors (67466213).

112201131 is an frugal number, since it uses more digits than its factorization.

112201131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 112201131 is about 10592.5035284393. The cubic root of 112201131 is about 482.3168245237.

Adding to 112201131 its reverse (131102211), we get a palindrome (243303342).

The spelling of 112201131 in words is "one hundred twelve million, two hundred one thousand, one hundred thirty-one".