202102103 has 32 divisors (see below), whose sum is σ = 253528704. Its totient is φ = 157151232.

The previous prime is 202102097. The next prime is 202102123. The reversal of 202102103 is 301201202.

It is a happy number.

It is not a de Polignac number, because 202102103 - 2⁶ = 202102039 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 (202102123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 867275 + ... + 867507.

It is an arithmetic number, because the mean of its divisors is an integer number (7922772).

Almost surely, 2^202102103 is an apocalyptic number.

202102103 is a deficient number, since it is larger than the sum of its proper divisors (51426601).

202102103 is a wasteful number, since it uses less digits than its factorization.

202102103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 202102103 is about 14216.2619207723. The cubic root of 202102103 is about 586.8452732203.

Adding to 202102103 its reverse (301201202), we get a palindrome (503303305).

Subtracting 202102103 from its reverse (301201202), we obtain a palindrome (99099099).

The spelling of 202102103 in words is "two hundred two million, one hundred two thousand, one hundred three".