11201131133 has 4 divisors (see below), whose sum is σ = 11439453120. Its totient is φ = 10962809148.

The previous prime is 11201131099. The next prime is 11201131153. The reversal of 11201131133 is 33113110211.

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, and also an emirpimes, since its reverse is a distinct semiprime: 33113110211 = 149 ⋅222235639.

It is a cyclic number.

It is not a de Polignac number, because 11201131133 - 2²⁰ = 11200082557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201131153) 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, 119160923 + ... + 119161016.

It is an arithmetic number, because the mean of its divisors is an integer number (2859863280).

Almost surely, 2^11201131133 is an apocalyptic number.

It is an amenable number.

11201131133 is a deficient number, since it is larger than the sum of its proper divisors (238321987).

11201131133 is an equidigital number, since it uses as much as digits as its factorization.

11201131133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238321986.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 11201131133 its reverse (33113110211), we get a palindrome (44314241344).

The spelling of 11201131133 in words is "eleven billion, two hundred one million, one hundred thirty-one thousand, one hundred thirty-three".