2011190912 has 64 divisors (see below), whose sum is σ = 4116752640. Its totient is φ = 978232320.

The previous prime is 2011190911. The next prime is 2011190921. The reversal of 2011190912 is 2190911102.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×2011190912² = 8089777769022783488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2011190911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1087973 + ... + 1089819.

It is an arithmetic number, because the mean of its divisors is an integer number (64324260).

Almost surely, 2^2011190912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2011190912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2058376320).

2011190912 is an abundant number, since it is smaller than the sum of its proper divisors (2105561728).

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

2011190912 is a wasteful number, since it uses less digits than its factorization.

2011190912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2089 (or 2077 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 26.

The square root of 2011190912 is about 44846.3032144234. The cubic root of 2011190912 is about 1262.2666247320.

It can be divided in two parts, 2011190 and 912, that added together give a palindrome (2012102).

The spelling of 2011190912 in words is "two billion, eleven million, one hundred ninety thousand, nine hundred twelve".