11200433121 has 6 divisors (see below), whose sum is σ = 16178403410. Its totient is φ = 7466955408.

The previous prime is 11200433087. The next prime is 11200433129. The reversal of 11200433121 is 12133400211.

11200433121 is a `hidden beast` number, since 11 + 200 + 433 + 1 + 21 = 666.

11200433121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7320513600 + 3879919521 = 85560^2 + 62289^2 .

It is not a de Polignac number, because 11200433121 - 2⁷ = 11200432993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11200433094 and 11200433103.

It is not an unprimeable number, because it can be changed into a prime (11200433129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 622246276 + ... + 622246293.

Almost surely, 2^11200433121 is an apocalyptic number.

It is an amenable number.

11200433121 is a deficient number, since it is larger than the sum of its proper divisors (4977970289).

11200433121 is a wasteful number, since it uses less digits than its factorization.

11200433121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244492575 (or 1244492572 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11200433121 its reverse (12133400211), we get a palindrome (23333833332).

The spelling of 11200433121 in words is "eleven billion, two hundred million, four hundred thirty-three thousand, one hundred twenty-one".