100210203 has 10 divisors (see below), whose sum is σ = 149696844. Its totient is φ = 66806748.

The previous prime is 100210193. The next prime is 100210247. The reversal of 100210203 is 302012001.

It is a happy number.

It is not a de Polignac number, because 100210203 - 2⁹ = 100209691 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 (100210303) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 618501 + ... + 618662.

Almost surely, 2^100210203 is an apocalyptic number.

100210203 is a deficient number, since it is larger than the sum of its proper divisors (49486641).

100210203 is an equidigital number, since it uses as much as digits as its factorization.

100210203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237175 (or 1237166 counting only the distinct ones).

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

The square root of 100210203 is about 10010.5046326347. The cubic root of 100210203 is about 464.4838810484.

Adding to 100210203 its reverse (302012001), we get a palindrome (402222204).

The spelling of 100210203 in words is "one hundred million, two hundred ten thousand, two hundred three".