2112130133 has 16 divisors (see below), whose sum is σ = 2311545600. Its totient is φ = 1922090496.

The previous prime is 2112130127. The next prime is 2112130147. The reversal of 2112130133 is 3310312112.

It is a cyclic number.

It is not a de Polignac number, because 2112130133 - 2¹⁴ = 2112113749 is a prime.

It is a super-2 number, since 2×2112130133² = 8922187397453195378, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112130123) 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, 50393 + ... + 82241.

It is an arithmetic number, because the mean of its divisors is an integer number (144471600).

Almost surely, 2^2112130133 is an apocalyptic number.

It is an amenable number.

2112130133 is a deficient number, since it is larger than the sum of its proper divisors (199415467).

2112130133 is a wasteful number, since it uses less digits than its factorization.

2112130133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31996.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 2112130133 is about 45957.9169784706. The cubic root of 2112130133 is about 1283.0400828501.

Adding to 2112130133 its reverse (3310312112), we get a palindrome (5422442245).

The spelling of 2112130133 in words is "two billion, one hundred twelve million, one hundred thirty thousand, one hundred thirty-three".