11211301131 has 16 divisors (see below), whose sum is σ = 14980291200. Its totient is φ = 7458276608.

The previous prime is 11211301121. The next prime is 11211301133. The reversal of 11211301131 is 13110311211.

11211301131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11211301131 - 2⁶ = 11211301067 is a prime.

It is a super-2 number, since 2×11211301131² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11211301131.

It is not an unprimeable number, because it can be changed into a prime (11211301133) 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, 3975640 + ... + 3978458.

It is an arithmetic number, because the mean of its divisors is an integer number (936268200).

Almost surely, 2^11211301131 is an apocalyptic number.

11211301131 is a deficient number, since it is larger than the sum of its proper divisors (3768990069).

11211301131 is a wasteful number, since it uses less digits than its factorization.

11211301131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5178.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 11211301131 its reverse (13110311211), we get a palindrome (24321612342).

The spelling of 11211301131 in words is "eleven billion, two hundred eleven million, three hundred one thousand, one hundred thirty-one".