201240110 has 16 divisors (see below), whose sum is σ = 377981856. Its totient is φ = 76996128.

The previous prime is 201240089. The next prime is 201240113. The reversal of 201240110 is 11042102.

It is a junction number, because it is equal to n+sod(n) for n = 201240091 and 201240100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201240113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437249 + ... + 437708.

It is an arithmetic number, because the mean of its divisors is an integer number (23623866).

Almost surely, 2^201240110 is an apocalyptic number.

201240110 is a deficient number, since it is larger than the sum of its proper divisors (176741746).

201240110 is a wasteful number, since it uses less digits than its factorization.

201240110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874987.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 201240110 is about 14185.9123781306. The cubic root of 201240110 is about 586.0097592212.

Adding to 201240110 its reverse (11042102), we get a palindrome (212282212).

The spelling of 201240110 in words is "two hundred one million, two hundred forty thousand, one hundred ten".