11200000121 has 16 divisors (see below), whose sum is σ = 11915444736. Its totient is φ = 10503869376.

The previous prime is 11200000111. The next prime is 11200000139. The reversal of 11200000121 is 12100000211.

11200000121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11200000121 - 2¹⁴ = 11199983737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11200000099 and 11200000108.

It is not an unprimeable number, because it can be changed into a prime (11200000111) 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 15 ways as a sum of consecutive naturals, for example, 3098111 + ... + 3101723.

It is an arithmetic number, because the mean of its divisors is an integer number (744715296).

Almost surely, 2^11200000121 is an apocalyptic number.

It is an amenable number.

11200000121 is a deficient number, since it is larger than the sum of its proper divisors (715444615).

11200000121 is a wasteful number, since it uses less digits than its factorization.

11200000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6232.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 11200000121 its reverse (12100000211), we get a palindrome (23300000332).

The spelling of 11200000121 in words is "eleven billion, two hundred million, one hundred twenty-one", and thus it is an aban number.