201241011 has 4 divisors (see below), whose sum is σ = 268321352. Its totient is φ = 134160672.

The previous prime is 201241009. The next prime is 201241037. The reversal of 201241011 is 110142102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 201241011 - 2¹ = 201241009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201241111) 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 3 ways as a sum of consecutive naturals, for example, 33540166 + ... + 33540171.

It is an arithmetic number, because the mean of its divisors is an integer number (67080338).

Almost surely, 2^201241011 is an apocalyptic number.

201241011 is a deficient number, since it is larger than the sum of its proper divisors (67080341).

201241011 is an equidigital number, since it uses as much as digits as its factorization.

201241011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67080340.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 201241011 is about 14185.9441349527. The cubic root of 201241011 is about 586.0106337884.

Adding to 201241011 its reverse (110142102), we get a palindrome (311383113).

The spelling of 201241011 in words is "two hundred one million, two hundred forty-one thousand, eleven".