11201242112 has 44 divisors (see below), whose sum is σ = 23163729180. Its totient is φ = 5407481856.

The previous prime is 11201242111. The next prime is 11201242127. The reversal of 11201242112 is 21124210211.

It can be written as a sum of positive squares in 2 ways, for example, as 6906274816 + 4294967296 = 83104^2 + 65536^2 .

It is not an unprimeable number, because it can be changed into a prime (11201242111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158903 + ... + 218294.

Almost surely, 2^11201242112 is an apocalyptic number.

It is an amenable number.

11201242112 is an abundant number, since it is smaller than the sum of its proper divisors (11962487068).

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

11201242112 is an equidigital number, since it uses as much as digits as its factorization.

11201242112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377246 (or 377228 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11201242112 its reverse (21124210211), we get a palindrome (32325452323).

The spelling of 11201242112 in words is "eleven billion, two hundred one million, two hundred forty-two thousand, one hundred twelve".