101228203 has 2 divisors, whose sum is σ = 101228204. Its totient is φ = 101228202.

The previous prime is 101228201. The next prime is 101228213. The reversal of 101228203 is 302822101.

It is a weak prime.

It is an emirp because it is prime and its reverse (302822101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101228203 - 2¹ = 101228201 is a prime.

Together with 101228201, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (101228201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50614101 + 50614102.

It is an arithmetic number, because the mean of its divisors is an integer number (50614102).

Almost surely, 2^101228203 is an apocalyptic number.

101228203 is a deficient number, since it is larger than the sum of its proper divisors (1).

101228203 is an equidigital number, since it uses as much as digits as its factorization.

101228203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 101228203 is about 10061.2227388126. Note that the first 3 decimals coincide. The cubic root of 101228203 is about 466.0514273955.

The spelling of 101228203 in words is "one hundred one million, two hundred twenty-eight thousand, two hundred three".