2112021135 has 96 divisors (see below), whose sum is σ = 4488906240. Its totient is φ = 932093568.

The previous prime is 2112021127. The next prime is 2112021137. The reversal of 2112021135 is 5311202112.

It is not a de Polignac number, because 2112021135 - 2³ = 2112021127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112021137) 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 95 ways as a sum of consecutive naturals, for example, 242364 + ... + 250926.

It is an arithmetic number, because the mean of its divisors is an integer number (46759440).

Almost surely, 2^2112021135 is an apocalyptic number.

2112021135 is an abundant number, since it is smaller than the sum of its proper divisors (2376885105).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2112021135 is an equidigital number, since it uses as much as digits as its factorization.

2112021135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8619 (or 8607 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 2112021135 is about 45956.7311174326. The cubic root of 2112021135 is about 1283.0180117339.

Adding to 2112021135 its reverse (5311202112), we get a palindrome (7423223247).

The spelling of 2112021135 in words is "two billion, one hundred twelve million, twenty-one thousand, one hundred thirty-five".