201100233 has 4 divisors (see below), whose sum is σ = 268133648. Its totient is φ = 134066820.

The previous prime is 201100213. The next prime is 201100253. The reversal of 201100233 is 332001102.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (201100213) and next prime (201100253).

It is not a de Polignac number, because 201100233 - 2¹⁰ = 201099209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201100213) 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 3 ways as a sum of consecutive naturals, for example, 33516703 + ... + 33516708.

It is an arithmetic number, because the mean of its divisors is an integer number (67033412).

Almost surely, 2^201100233 is an apocalyptic number.

It is an amenable number.

201100233 is a deficient number, since it is larger than the sum of its proper divisors (67033415).

201100233 is an equidigital number, since it uses as much as digits as its factorization.

201100233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67033414.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 201100233 is about 14180.9813835291. The cubic root of 201100233 is about 585.8739541440.

Adding to 201100233 its reverse (332001102), we get a palindrome (533101335).

The spelling of 201100233 in words is "two hundred one million, one hundred thousand, two hundred thirty-three".