2021102 has 16 divisors (see below), whose sum is σ = 3227040. Its totient is φ = 947232.

The previous prime is 2021099. The next prime is 2021119. The reversal of 2021102 is 2011202.

It is a self number, because there is not a number n which added to its sum of digits gives 2021102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2024 + ... + 2852.

It is an arithmetic number, because the mean of its divisors is an integer number (201690).

2^2021102 is an apocalyptic number.

2021102 is a deficient number, since it is larger than the sum of its proper divisors (1205938).

2021102 is a wasteful number, since it uses less digits than its factorization.

2021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 2021102 is about 1421.6546697423. The cubic root of 2021102 is about 126.4336698612.

Adding to 2021102 its reverse (2011202), we get a palindrome (4032304).

The spelling of 2021102 in words is "two million, twenty-one thousand, one hundred two".