201111000201 has 8 divisors (see below), whose sum is σ = 297942222560. Its totient is φ = 134074000116.

The previous prime is 201111000191. The next prime is 201111000247. The reversal of 201111000201 is 102000111102.

It is a happy number.

It is not a de Polignac number, because 201111000201 - 2¹⁸ = 201110738057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201111010201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3724277755 + ... + 3724277808.

It is an arithmetic number, because the mean of its divisors is an integer number (37242777820).

Almost surely, 2^201111000201 is an apocalyptic number.

It is an amenable number.

201111000201 is a deficient number, since it is larger than the sum of its proper divisors (96831222359).

201111000201 is an equidigital number, since it uses as much as digits as its factorization.

201111000201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7448555572 (or 7448555566 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 201111000201 its reverse (102000111102), we get a palindrome (303111111303).

The spelling of 201111000201 in words is "two hundred one billion, one hundred eleven million, two hundred one", and thus it is an aban number.