11321130229 has 12 divisors (see below), whose sum is σ = 12440960100. Its totient is φ = 10287753728.

The previous prime is 11321130211. The next prime is 11321130277. The reversal of 11321130229 is 92203112311.

It can be written as a sum of positive squares in 6 ways, for example, as 1833980625 + 9487149604 = 42825^2 + 97402^2 .

It is not a de Polignac number, because 11321130229 - 2²⁵ = 11287575797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321137229) 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 11 ways as a sum of consecutive naturals, for example, 667024 + ... + 683785.

It is an arithmetic number, because the mean of its divisors is an integer number (1036746675).

Almost surely, 2^11321130229 is an apocalyptic number.

It is an amenable number.

11321130229 is a deficient number, since it is larger than the sum of its proper divisors (1119829871).

11321130229 is a wasteful number, since it uses less digits than its factorization.

11321130229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350872 (or 1350855 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 25.

The spelling of 11321130229 in words is "eleven billion, three hundred twenty-one million, one hundred thirty thousand, two hundred twenty-nine".