100118203 has 2 divisors, whose sum is σ = 100118204. Its totient is φ = 100118202.

The previous prime is 100118197. The next prime is 100118209. The reversal of 100118203 is 302811001.

It is a balanced prime because it is at equal distance from previous prime (100118197) and next prime (100118209).

It is an emirp because it is prime and its reverse (302811001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100118203 - 2¹⁷ = 99987131 is a prime.

It is not a weakly prime, because it can be changed into another prime (100118209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50059101 + 50059102.

It is an arithmetic number, because the mean of its divisors is an integer number (50059102).

Almost surely, 2^100118203 is an apocalyptic number.

100118203 is a deficient number, since it is larger than the sum of its proper divisors (1).

100118203 is an equidigital number, since it uses as much as digits as its factorization.

100118203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 100118203 is about 10005.9084045378. The cubic root of 100118203 is about 464.3416945924.

Adding to 100118203 its reverse (302811001), we get a palindrome (402929204).

The spelling of 100118203 in words is "one hundred million, one hundred eighteen thousand, two hundred three".