201010203 has 12 divisors (see below), whose sum is σ = 291161520. Its totient is φ = 133631376.

The previous prime is 201010171. The next prime is 201010213. The reversal of 201010203 is 302010102.

It is a happy number.

It is not a de Polignac number, because 201010203 - 2⁵ = 201010171 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 (201010213) 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 11 ways as a sum of consecutive naturals, for example, 27876 + ... + 34337.

It is an arithmetic number, because the mean of its divisors is an integer number (24263460).

Almost surely, 2^201010203 is an apocalyptic number.

201010203 is a deficient number, since it is larger than the sum of its proper divisors (90151317).

201010203 is a wasteful number, since it uses less digits than its factorization.

201010203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62578 (or 62575 counting only the distinct ones).

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

The square root of 201010203 is about 14177.8067062575. The cubic root of 201010203 is about 585.7865116706.

Adding to 201010203 its reverse (302010102), we get a palindrome (503020305).

The spelling of 201010203 in words is "two hundred one million, ten thousand, two hundred three".