11131001121 has 16 divisors (see below), whose sum is σ = 14980118400. Its totient is φ = 7351597440.

The previous prime is 11131001053. The next prime is 11131001159. The reversal of 11131001121 is 12110013111.

11131001121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11131001121 - 2⁹ = 11131000609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11131001097 and 11131001106.

It is not an unprimeable number, because it can be changed into a prime (11131001221) 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, 99091 + ... + 179111.

It is an arithmetic number, because the mean of its divisors is an integer number (936257400).

Almost surely, 2^11131001121 is an apocalyptic number.

It is an amenable number.

11131001121 is a deficient number, since it is larger than the sum of its proper divisors (3849117279).

11131001121 is a wasteful number, since it uses less digits than its factorization.

11131001121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80456.

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 11131001121 its reverse (12110013111), we get a palindrome (23241014232).

The spelling of 11131001121 in words is "eleven billion, one hundred thirty-one million, one thousand, one hundred twenty-one".