2102102 has 4 divisors (see below), whose sum is σ = 3153156. Its totient is φ = 1051050.

The previous prime is 2102099. The next prime is 2102117. The reversal of 2102102 is 2012012.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2102102.

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, 525524 + ... + 525527.

It is an arithmetic number, because the mean of its divisors is an integer number (788289).

2^2102102 is an apocalyptic number.

2102102 is a deficient number, since it is larger than the sum of its proper divisors (1051054).

2102102 is a wasteful number, since it uses less digits than its factorization.

2102102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051053.

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

The square root of 2102102 is about 1449.8627521252. The cubic root of 2102102 is about 128.1006288764.

Adding to 2102102 its reverse (2012012), we get a palindrome (4114114).

The spelling of 2102102 in words is "two million, one hundred two thousand, one hundred two".