100102203 has 16 divisors (see below), whose sum is σ = 156105600. Its totient is φ = 63222120.

The previous prime is 100102181. The next prime is 100102207. The reversal of 100102203 is 302201001.

It is a happy number.

It is not a de Polignac number, because 100102203 - 2⁶ = 100102139 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (100102207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97053 + ... + 98078.

It is an arithmetic number, because the mean of its divisors is an integer number (9756600).

Almost surely, 2^100102203 is an apocalyptic number.

100102203 is a deficient number, since it is larger than the sum of its proper divisors (56003397).

100102203 is a wasteful number, since it uses less digits than its factorization.

100102203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195159 (or 195153 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 100102203 is about 10005.1088449851. The cubic root of 100102203 is about 464.3169576225.

Adding to 100102203 its reverse (302201001), we get a palindrome (402303204).

The spelling of 100102203 in words is "one hundred million, one hundred two thousand, two hundred three".