112100203 has 4 divisors (see below), whose sum is σ = 113210208. Its totient is φ = 110990200.

The previous prime is 112100201. The next prime is 112100207. The reversal of 112100203 is 302001211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 112100203 - 2¹ = 112100201 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 112100203.

It is not an unprimeable number, because it can be changed into a prime (112100201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 554851 + ... + 555052.

It is an arithmetic number, because the mean of its divisors is an integer number (28302552).

Almost surely, 2^112100203 is an apocalyptic number.

112100203 is a deficient number, since it is larger than the sum of its proper divisors (1110005).

112100203 is a wasteful number, since it uses less digits than its factorization.

112100203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110004.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 112100203 is about 10587.7383326185. The cubic root of 112100203 is about 482.1721620607.

Adding to 112100203 its reverse (302001211), we get a palindrome (414101414).

The spelling of 112100203 in words is "one hundred twelve million, one hundred thousand, two hundred three".