11201203 has 16 divisors (see below), whose sum is σ = 12852000. Its totient is φ = 9676800.

The previous prime is 11201189. The next prime is 11201219. The reversal of 11201203 is 30210211.

It is a cyclic number.

It is not a de Polignac number, because 11201203 - 2⁵ = 11201171 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 11201203.

It is not an unprimeable number, because it can be changed into a prime (11201233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24723 + ... + 25171.

It is an arithmetic number, because the mean of its divisors is an integer number (803250).

Almost surely, 2^11201203 is an apocalyptic number.

11201203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11201203 is a deficient number, since it is larger than the sum of its proper divisors (1650797).

11201203 is a wasteful number, since it uses less digits than its factorization.

11201203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582.

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

The square root of 11201203 is about 3346.8198338124. The cubic root of 11201203 is about 223.7457987414.

Adding to 11201203 its reverse (30210211), we get a palindrome (41411414).

The spelling of 11201203 in words is "eleven million, two hundred one thousand, two hundred three".