2021107 has 8 divisors (see below), whose sum is σ = 2276352. Its totient is φ = 1777800.

The previous prime is 2021099. The next prime is 2021119. The reversal of 2021107 is 7011202.

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 2021107 - 2³ = 2021099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021137) 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, 2623 + ... + 3304.

It is an arithmetic number, because the mean of its divisors is an integer number (284544).

2^2021107 is an apocalyptic number.

2021107 is a deficient number, since it is larger than the sum of its proper divisors (255245).

2021107 is a wasteful number, since it uses less digits than its factorization.

2021107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5969.

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 2021107 is about 1421.6564282554. The cubic root of 2021107 is about 126.4337741225.

Adding to 2021107 its reverse (7011202), we get a palindrome (9032309).

The spelling of 2021107 in words is "two million, twenty-one thousand, one hundred seven".