201000011011 has 4 divisors (see below), whose sum is σ = 201764269872. Its totient is φ = 200235752152.

The previous prime is 201000010997. The next prime is 201000011021. The reversal of 201000011011 is 110110000102.

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 201000011011 - 2¹⁵ = 200999978243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201000010985 and 201000011003.

It is not an unprimeable number, because it can be changed into a prime (201000011021) 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, 382129036 + ... + 382129561.

It is an arithmetic number, because the mean of its divisors is an integer number (50441067468).

Almost surely, 2^201000011011 is an apocalyptic number.

201000011011 is a deficient number, since it is larger than the sum of its proper divisors (764258861).

201000011011 is an equidigital number, since it uses as much as digits as its factorization.

201000011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764258860.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 201000011011 its reverse (110110000102), we get a palindrome (311110011113).

The spelling of 201000011011 in words is "two hundred one billion, eleven thousand, eleven".