11202111424 has 28 divisors (see below), whose sum is σ = 25404789424. Its totient is φ = 4800904704.

The previous prime is 11202111421. The next prime is 11202111443. The reversal of 11202111424 is 42411120211.

It is a happy number.

11202111424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (28).

It is a super-2 number, since 2×11202111424² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11202111421) 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, 12501909 + ... + 12502804.

It is an arithmetic number, because the mean of its divisors is an integer number (907313908).

Almost surely, 2^11202111424 is an apocalyptic number.

11202111424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11202111424 is an abundant number, since it is smaller than the sum of its proper divisors (14202678000).

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

11202111424 is an equidigital number, since it uses as much as digits as its factorization.

11202111424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25004732 (or 25004722 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11202111424 its reverse (42411120211), we get a palindrome (53613231635).

The spelling of 11202111424 in words is "eleven billion, two hundred two million, one hundred eleven thousand, four hundred twenty-four".