2000131121 has 4 divisors (see below), whose sum is σ = 2105401200. Its totient is φ = 1894861044.

The previous prime is 2000131097. The next prime is 2000131123. The reversal of 2000131121 is 1211310002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2000131121 - 2⁶ = 2000131057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2000131123) 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 3 ways as a sum of consecutive naturals, for example, 52635011 + ... + 52635048.

It is an arithmetic number, because the mean of its divisors is an integer number (526350300).

Almost surely, 2^2000131121 is an apocalyptic number.

It is an amenable number.

2000131121 is a deficient number, since it is larger than the sum of its proper divisors (105270079).

2000131121 is a wasteful number, since it uses less digits than its factorization.

2000131121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105270078.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 2000131121 is about 44722.8255033154. The cubic root of 2000131121 is about 1259.9485829779.

Adding to 2000131121 its reverse (1211310002), we get a palindrome (3211441123).

The spelling of 2000131121 in words is "two billion, one hundred thirty-one thousand, one hundred twenty-one".