11121242050 has 12 divisors (see below), whose sum is σ = 20685510306. Its totient is φ = 4448496800.

The previous prime is 11121242047. The next prime is 11121242059. The reversal of 11121242050 is 5024212111.

11121242050 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 3 ways, for example, as 5517072729 + 5604169321 = 74277^2 + 74861^2 .

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 5 ways as a sum of consecutive naturals, for example, 111212371 + ... + 111212470.

Almost surely, 2^11121242050 is an apocalyptic number.

11121242050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11121242050 is a deficient number, since it is larger than the sum of its proper divisors (9564268256).

11121242050 is a wasteful number, since it uses less digits than its factorization.

11121242050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222424853 (or 222424848 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 11121242050 its reverse (5024212111), we get a palindrome (16145454161).

The spelling of 11121242050 in words is "eleven billion, one hundred twenty-one million, two hundred forty-two thousand, fifty".