2821102 has 16 divisors (see below), whose sum is σ = 4418640. Its totient is φ = 1349568.

The previous prime is 2821097. The next prime is 2821103. The reversal of 2821102 is 2011282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2821103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4674 + ... + 5242.

It is an arithmetic number, because the mean of its divisors is an integer number (276165).

2^2821102 is an apocalyptic number.

2821102 is a deficient number, since it is larger than the sum of its proper divisors (1597538).

2821102 is a wasteful number, since it uses less digits than its factorization.

2821102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 2821102 is about 1679.6136460508. The cubic root of 2821102 is about 141.2991652798.

Adding to 2821102 its reverse (2011282), we get a palindrome (4832384).

The spelling of 2821102 in words is "two million, eight hundred twenty-one thousand, one hundred two".