2112203 has 4 divisors (see below), whose sum is σ = 2161368. Its totient is φ = 2063040.

The previous prime is 2112193. The next prime is 2112217. The reversal of 2112203 is 3022112.

It is a happy number.

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 2112203 - 2⁶ = 2112139 is a prime.

It is a super-2 number, since 2×2112203² = 8922803026418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112263) 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, 24518 + ... + 24603.

It is an arithmetic number, because the mean of its divisors is an integer number (540342).

2^2112203 is an apocalyptic number.

2112203 is a deficient number, since it is larger than the sum of its proper divisors (49165).

2112203 is an equidigital number, since it uses as much as digits as its factorization.

2112203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49164.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2112203 is about 1453.3420106775. The cubic root of 2112203 is about 128.3054837340.

Adding to 2112203 its reverse (3022112), we get a palindrome (5134315).

Subtracting 2112203 from its reverse (3022112), we obtain a palindrome (909909).

The spelling of 2112203 in words is "two million, one hundred twelve thousand, two hundred three".