2011132120 has 16 divisors (see below), whose sum is σ = 4525047360. Its totient is φ = 804452832.

The previous prime is 2011132111. The next prime is 2011132129. The reversal of 2011132120 is 212311102.

It is an interprime number because it is at equal distance from previous prime (2011132111) and next prime (2011132129).

It is a self number, because there is not a number n which added to its sum of digits gives 2011132120.

It is a congruent number.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25139112 + ... + 25139191.

It is an arithmetic number, because the mean of its divisors is an integer number (282815460).

Almost surely, 2^2011132120 is an apocalyptic number.

2011132120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011132120 is an abundant number, since it is smaller than the sum of its proper divisors (2513915240).

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

2011132120 is a wasteful number, since it uses less digits than its factorization.

2011132120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50278314 (or 50278310 counting only the distinct ones).

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

The square root of 2011132120 is about 44845.6477263959. The cubic root of 2011132120 is about 1262.2543249047.

Adding to 2011132120 its reverse (212311102), we get a palindrome (2223443222).

The spelling of 2011132120 in words is "two billion, eleven million, one hundred thirty-two thousand, one hundred twenty".