2021108 has 6 divisors (see below), whose sum is σ = 3536946. Its totient is φ = 1010552.

The previous prime is 2021099. The next prime is 2021119. The reversal of 2021108 is 8011202.

It can be written as a sum of positive squares in only one way, i.e., 1056784 + 964324 = 1028^2 + 982^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2021092 and 2021101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252635 + ... + 252642.

It is an arithmetic number, because the mean of its divisors is an integer number (589491).

2^2021108 is an apocalyptic number.

It is an amenable number.

2021108 is a deficient number, since it is larger than the sum of its proper divisors (1515838).

2021108 is a wasteful number, since it uses less digits than its factorization.

2021108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505281 (or 505279 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 2021108 is about 1421.6567799578. The cubic root of 2021108 is about 126.4337949747.

The spelling of 2021108 in words is "two million, twenty-one thousand, one hundred eight".