2011021107 has 4 divisors (see below), whose sum is σ = 2681361480. Its totient is φ = 1340680736.

The previous prime is 2011021081. The next prime is 2011021121. The reversal of 2011021107 is 7011201102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2011021107 - 2⁶ = 2011021043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2011022107) 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 3 ways as a sum of consecutive naturals, for example, 335170182 + ... + 335170187.

It is an arithmetic number, because the mean of its divisors is an integer number (670340370).

Almost surely, 2^2011021107 is an apocalyptic number.

2011021107 is a deficient number, since it is larger than the sum of its proper divisors (670340373).

2011021107 is an equidigital number, since it uses as much as digits as its factorization.

2011021107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670340372.

The product of its (nonzero) digits is 28, while the sum is 15.

The square root of 2011021107 is about 44844.4099860841. The cubic root of 2011021107 is about 1262.2310993102.

Adding to 2011021107 its reverse (7011201102), we get a palindrome (9022222209).

The spelling of 2011021107 in words is "two billion, eleven million, twenty-one thousand, one hundred seven".