11112121330 has 32 divisors (see below), whose sum is σ = 20927579904. Its totient is φ = 4240163136.

The previous prime is 11112121327. The next prime is 11112121331. The reversal of 11112121330 is 3312121111.

It is a happy number.

11112121330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11112121331) 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, 21027 + ... + 150553.

It is an arithmetic number, because the mean of its divisors is an integer number (653986872).

Almost surely, 2^11112121330 is an apocalyptic number.

11112121330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11112121330 is a deficient number, since it is larger than the sum of its proper divisors (9815458574).

11112121330 is a wasteful number, since it uses less digits than its factorization.

11112121330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129930.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 11112121330 its reverse (3312121111), we get a palindrome (14424242441).

The spelling of 11112121330 in words is "eleven billion, one hundred twelve million, one hundred twenty-one thousand, three hundred thirty".