11131424121 has 8 divisors (see below), whose sum is σ = 14850230080. Its totient is φ = 7416783792.

The previous prime is 11131424111. The next prime is 11131424167. The reversal of 11131424121 is 12142413111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11131424121 - 2¹³ = 11131415929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11131424111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1035166 + ... + 1045863.

It is an arithmetic number, because the mean of its divisors is an integer number (1856278760).

Almost surely, 2^11131424121 is an apocalyptic number.

It is an amenable number.

11131424121 is a deficient number, since it is larger than the sum of its proper divisors (3718805959).

11131424121 is a wasteful number, since it uses less digits than its factorization.

11131424121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2082815.

The product of its digits is 192, while the sum is 21.

Adding to 11131424121 its reverse (12142413111), we get a palindrome (23273837232).

The spelling of 11131424121 in words is "eleven billion, one hundred thirty-one million, four hundred twenty-four thousand, one hundred twenty-one".