201000100011011 has 16 divisors (see below), whose sum is σ = 231469507070208. Its totient is φ = 170969487468000.

The previous prime is 201000100010987. The next prime is 201000100011019. The reversal of 201000100011011 is 110110001000102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 201000100011011 - 2³⁰ = 200999026269187 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 201000100011011.

It is not an unprimeable number, because it can be changed into a prime (201000100011019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152529701 + ... + 153841833.

It is an arithmetic number, because the mean of its divisors is an integer number (14466844191888).

Almost surely, 2^{201000100011011} is an apocalyptic number.

201000100011011 is a deficient number, since it is larger than the sum of its proper divisors (30469407059197).

201000100011011 is a wasteful number, since it uses less digits than its factorization.

201000100011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1479322.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 201000100011011 its reverse (110110001000102), we get a palindrome (311110101011113).

The spelling of 201000100011011 in words is "two hundred one trillion, one hundred million, eleven thousand, eleven".