11121242052 has 48 divisors (see below), whose sum is σ = 26761190400. Its totient is φ = 3592905120.

The previous prime is 11121242047. The next prime is 11121242059. The reversal of 11121242052 is 25024212111.

11121242052 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 (11121242059) 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, 60352 + ... + 160887.

It is an arithmetic number, because the mean of its divisors is an integer number (557524800).

Almost surely, 2^11121242052 is an apocalyptic number.

11121242052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11121242052 is an abundant number, since it is smaller than the sum of its proper divisors (15639948348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11121242052 is a wasteful number, since it uses less digits than its factorization.

11121242052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221376 (or 221374 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

Adding to 11121242052 its reverse (25024212111), we get a palindrome (36145454163).

The spelling of 11121242052 in words is "eleven billion, one hundred twenty-one million, two hundred forty-two thousand, fifty-two".