2116203 has 8 divisors (see below), whose sum is σ = 2840208. Its totient is φ = 1401504.

The previous prime is 2116199. The next prime is 2116291. The reversal of 2116203 is 3026112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2116203 - 2² = 2116199 is a prime.

2116203 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2116403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1776 + ... + 2717.

It is an arithmetic number, because the mean of its divisors is an integer number (355026).

2^2116203 is an apocalyptic number.

2116203 is a deficient number, since it is larger than the sum of its proper divisors (724005).

2116203 is a wasteful number, since it uses less digits than its factorization.

2116203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4653.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2116203 is about 1454.7174983480. The cubic root of 2116203 is about 128.3864258124.

Subtracting 2116203 from its reverse (3026112), we obtain a palindrome (909909).

The spelling of 2116203 in words is "two million, one hundred sixteen thousand, two hundred three".