201230011 has 4 divisors (see below), whose sum is σ = 204233512. Its totient is φ = 198226512.

The previous prime is 201229997. The next prime is 201230063. The reversal of 201230011 is 110032102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110032102 = 2 ⋅55016051.

It is a cyclic number.

It is not a de Polignac number, because 201230011 - 2¹³ = 201221819 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201230011.

It is not an unprimeable number, because it can be changed into a prime (201260011) 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, 1501650 + ... + 1501783.

It is an arithmetic number, because the mean of its divisors is an integer number (51058378).

Almost surely, 2^201230011 is an apocalyptic number.

201230011 is a deficient number, since it is larger than the sum of its proper divisors (3003501).

201230011 is an equidigital number, since it uses as much as digits as its factorization.

201230011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3003500.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 201230011 is about 14185.5564219385. The cubic root of 201230011 is about 585.9999563186. Note that the first 4 decimals are identical.

Adding to 201230011 its reverse (110032102), we get a palindrome (311262113).

It can be divided in two parts, 2012 and 30011, that added together give a palindrome (32023).

The spelling of 201230011 in words is "two hundred one million, two hundred thirty thousand, eleven".