201000201011 has 4 divisors (see below), whose sum is σ = 201004785912. Its totient is φ = 200995616112.

The previous prime is 201000201001. The next prime is 201000201013. The reversal of 201000201011 is 110102000102.

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

It is a cyclic number.

It is not a de Polignac number, because 201000201011 - 2¹⁰ = 201000199987 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 201000201011.

It is not an unprimeable number, because it can be changed into a prime (201000201013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2226050 + ... + 2314583.

It is an arithmetic number, because the mean of its divisors is an integer number (50251196478).

Almost surely, 2^201000201011 is an apocalyptic number.

201000201011 is a deficient number, since it is larger than the sum of its proper divisors (4584901).

201000201011 is an equidigital number, since it uses as much as digits as its factorization.

201000201011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4584900.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 201000201011 its reverse (110102000102), we get a palindrome (311102201113).

The spelling of 201000201011 in words is "two hundred one billion, two hundred one thousand, eleven".