100206203 has 2 divisors, whose sum is σ = 100206204. Its totient is φ = 100206202.

The previous prime is 100206191. The next prime is 100206233. The reversal of 100206203 is 302602001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100206203 - 2²² = 96011899 is a prime.

It is not a weakly prime, because it can be changed into another prime (100206233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50103101 + 50103102.

It is an arithmetic number, because the mean of its divisors is an integer number (50103102).

Almost surely, 2^100206203 is an apocalyptic number.

100206203 is a deficient number, since it is larger than the sum of its proper divisors (1).

100206203 is an equidigital number, since it uses as much as digits as its factorization.

100206203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 100206203 is about 10010.3048405131. The cubic root of 100206203 is about 464.4777008386.

Adding to 100206203 its reverse (302602001), we get a palindrome (402808204).

The spelling of 100206203 in words is "one hundred million, two hundred six thousand, two hundred three".