2011131129 has 8 divisors (see below), whose sum is σ = 3064580800. Its totient is φ = 1149217776.

The previous prime is 2011131079. The next prime is 2011131137. The reversal of 2011131129 is 9211311102.

It is a happy number.

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

It is not a de Polignac number, because 2011131129 - 2⁸ = 2011130873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 95768149 = 2011131129 / (2 + 0 + 1 + 1 + 1 + 3 + 1 + 1 + 2 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011132129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47884054 + ... + 47884095.

It is an arithmetic number, because the mean of its divisors is an integer number (383072600).

Almost surely, 2^2011131129 is an apocalyptic number.

It is an amenable number.

2011131129 is a deficient number, since it is larger than the sum of its proper divisors (1053449671).

2011131129 is an equidigital number, since it uses as much as digits as its factorization.

2011131129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95768159.

The product of its (nonzero) digits is 108, while the sum is 21.

The square root of 2011131129 is about 44845.6366773848. The cubic root of 2011131129 is about 1262.2541175764.

The spelling of 2011131129 in words is "two billion, eleven million, one hundred thirty-one thousand, one hundred twenty-nine".