112201001 has 12 divisors (see below), whose sum is σ = 124563012. Its totient is φ = 100980000.

The previous prime is 112200973. The next prime is 112201007. The reversal of 112201001 is 100102211.

It can be written as a sum of positive squares in 2 ways, for example, as 93702400 + 18498601 = 9680^2 + 4301^2 .

It is not a de Polignac number, because 112201001 - 2¹⁰ = 112199977 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112201001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112201007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7631 + ... + 16811.

It is an arithmetic number, because the mean of its divisors is an integer number (10380251).

Almost surely, 2^112201001 is an apocalyptic number.

112201001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112201001 is a deficient number, since it is larger than the sum of its proper divisors (12362011).

112201001 is a wasteful number, since it uses less digits than its factorization.

112201001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9304 (or 9293 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 112201001 is about 10592.4973920223. The cubic root of 112201001 is about 482.3166382475.

Adding to 112201001 its reverse (100102211), we get a palindrome (212303212).

It can be divided in two parts, 11220 and 1001, that added together give a palindrome (12221).

The spelling of 112201001 in words is "one hundred twelve million, two hundred one thousand, one".