11120232121 has 4 divisors (see below), whose sum is σ = 11224159632. Its totient is φ = 11016304612.

The previous prime is 11120232061. The next prime is 11120232127. The reversal of 11120232121 is 12123202111.

11120232121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11120232121 - 2¹⁵ = 11120199353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11120232095 and 11120232104.

It is not an unprimeable number, because it can be changed into a prime (11120232127) 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 3 ways as a sum of consecutive naturals, for example, 51963595 + ... + 51963808.

It is an arithmetic number, because the mean of its divisors is an integer number (2806039908).

Almost surely, 2^11120232121 is an apocalyptic number.

It is an amenable number.

11120232121 is a deficient number, since it is larger than the sum of its proper divisors (103927511).

11120232121 is a wasteful number, since it uses less digits than its factorization.

11120232121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103927510.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11120232121 its reverse (12123202111), we get a palindrome (23243434232).

The spelling of 11120232121 in words is "eleven billion, one hundred twenty million, two hundred thirty-two thousand, one hundred twenty-one".