201242110 has 16 divisors (see below), whose sum is σ = 381301200. Its totient is φ = 76260096.

The previous prime is 201242033. The next prime is 201242131. The reversal of 201242110 is 11242102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 529395 + ... + 529774.

It is an arithmetic number, because the mean of its divisors is an integer number (23831325).

Almost surely, 2^201242110 is an apocalyptic number.

201242110 is a deficient number, since it is larger than the sum of its proper divisors (180059090).

201242110 is a wasteful number, since it uses less digits than its factorization.

201242110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059195.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 201242110 is about 14185.9828704253. The cubic root of 201242110 is about 586.0117005433.

Adding to 201242110 its reverse (11242102), we get a palindrome (212484212).

The spelling of 201242110 in words is "two hundred one million, two hundred forty-two thousand, one hundred ten".