11203234201 has 4 divisors (see below), whose sum is σ = 11361026304. Its totient is φ = 11045442100.

The previous prime is 11203234193. The next prime is 11203234213. The reversal of 11203234201 is 10243230211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11203234201 - 2³ = 11203234193 is a prime.

It is a super-2 number, since 2×11203234201² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11203234291) 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, 78895945 + ... + 78896086.

It is an arithmetic number, because the mean of its divisors is an integer number (2840256576).

Almost surely, 2^11203234201 is an apocalyptic number.

It is an amenable number.

11203234201 is a deficient number, since it is larger than the sum of its proper divisors (157792103).

11203234201 is an equidigital number, since it uses as much as digits as its factorization.

11203234201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157792102.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 11203234201 its reverse (10243230211), we get a palindrome (21446464412).

The spelling of 11203234201 in words is "eleven billion, two hundred three million, two hundred thirty-four thousand, two hundred one".