112001211 has 30 divisors (see below), whose sum is σ = 194633340. Its totient is φ = 63998424.

The previous prime is 112001209. The next prime is 112001231. The reversal of 112001211 is 112100211.

It is a happy number.

It is not a de Polignac number, because 112001211 - 2¹ = 112001209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 112001193 and 112001202.

It is not an unprimeable number, because it can be changed into a prime (112001231) 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 29 ways as a sum of consecutive naturals, for example, 10141 + ... + 18078.

It is an arithmetic number, because the mean of its divisors is an integer number (6487778).

Almost surely, 2^112001211 is an apocalyptic number.

112001211 is a deficient number, since it is larger than the sum of its proper divisors (82632129).

112001211 is an equidigital number, since it uses as much as digits as its factorization.

112001211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28245 (or 28229 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 112001211 is about 10583.0624584758. The cubic root of 112001211 is about 482.0301901397.

Adding to 112001211 its reverse (112100211), we get a palindrome (224101422).

The spelling of 112001211 in words is "one hundred twelve million, one thousand, two hundred eleven".