2011101340 has 12 divisors (see below), whose sum is σ = 4223312856. Its totient is φ = 804440528.

The previous prime is 2011101319. The next prime is 2011101349. The reversal of 2011101340 is 431011102.

2011101340 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2011101340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011101349) 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, 50277514 + ... + 50277553.

It is an arithmetic number, because the mean of its divisors is an integer number (351942738).

Almost surely, 2^2011101340 is an apocalyptic number.

2011101340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011101340 is an abundant number, since it is smaller than the sum of its proper divisors (2212211516).

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

2011101340 is a wasteful number, since it uses less digits than its factorization.

2011101340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100555076 (or 100555074 counting only the distinct ones).

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

The square root of 2011101340 is about 44845.3045479680. The cubic root of 2011101340 is about 1262.2478853500.

Adding to 2011101340 its reverse (431011102), we get a palindrome (2442112442).

The spelling of 2011101340 in words is "two billion, eleven million, one hundred one thousand, three hundred forty".