2011021113 has 8 divisors (see below), whose sum is σ = 2694973248. Its totient is φ = 1333874864.

The previous prime is 2011021081. The next prime is 2011021121. The reversal of 2011021113 is 3111201102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2011021113 - 2⁵ = 2011021081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2011021213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1700781 + ... + 1701962.

It is an arithmetic number, because the mean of its divisors is an integer number (336871656).

Almost surely, 2^2011021113 is an apocalyptic number.

It is an amenable number.

2011021113 is a deficient number, since it is larger than the sum of its proper divisors (683952135).

2011021113 is a wasteful number, since it uses less digits than its factorization.

2011021113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3402943.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 2011021113 is about 44844.4100529821. The cubic root of 2011021113 is about 1262.2311005655.

Adding to 2011021113 its reverse (3111201102), we get a palindrome (5122222215).

The spelling of 2011021113 in words is "two billion, eleven million, twenty-one thousand, one hundred thirteen".