11121234133 has 4 divisors (see below), whose sum is σ = 11392483788. Its totient is φ = 10849984480.

The previous prime is 11121234073. The next prime is 11121234149. The reversal of 11121234133 is 33143212111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 438357969 + 10682876164 = 20937^2 + 103358^2 .

It is a cyclic number.

It is not a de Polignac number, because 11121234133 - 2²¹ = 11119136981 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 (11121234193) 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, 135624766 + ... + 135624847.

It is an arithmetic number, because the mean of its divisors is an integer number (2848120947).

Almost surely, 2^11121234133 is an apocalyptic number.

It is an amenable number.

11121234133 is a deficient number, since it is larger than the sum of its proper divisors (271249655).

11121234133 is an equidigital number, since it uses as much as digits as its factorization.

11121234133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271249654.

The product of its digits is 432, while the sum is 22.

Adding to 11121234133 its reverse (33143212111), we get a palindrome (44264446244).

The spelling of 11121234133 in words is "eleven billion, one hundred twenty-one million, two hundred thirty-four thousand, one hundred thirty-three".