2101132120 has 16 divisors (see below), whose sum is σ = 4727547360. Its totient is φ = 840452832.

The previous prime is 2101132097. The next prime is 2101132139. The reversal of 2101132120 is 212311012.

It is a self number, because there is not a number n which added to its sum of digits gives 2101132120.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 26264112 + ... + 26264191.

It is an arithmetic number, because the mean of its divisors is an integer number (295471710).

Almost surely, 2^2101132120 is an apocalyptic number.

2101132120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2101132120 is an abundant number, since it is smaller than the sum of its proper divisors (2626415240).

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

2101132120 is a wasteful number, since it uses less digits than its factorization.

2101132120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52528314 (or 52528310 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2101132120 is about 45838.1077270866. The cubic root of 2101132120 is about 1280.8092457552.

Adding to 2101132120 its reverse (212311012), we get a palindrome (2313443132).

The spelling of 2101132120 in words is "two billion, one hundred one million, one hundred thirty-two thousand, one hundred twenty".