201111100201201 has 8 divisors (see below), whose sum is σ = 206557547758760. Its totient is φ = 195665232244608.

The previous prime is 201111100201181. The next prime is 201111100201243. The reversal of 201111100201201 is 102102001111102.

It is a happy number.

201111100201201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 74143276201201 + 126967824000000 = 8610649^2 + 11268000^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201111100201201 - 2³¹ = 201108952717553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201111100208201) 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, 144196836 + ... + 145584853.

It is an arithmetic number, because the mean of its divisors is an integer number (25819693469845).

Almost surely, 2^{201111100201201} is an apocalyptic number.

It is an amenable number.

201111100201201 is a deficient number, since it is larger than the sum of its proper divisors (5446447557559).

201111100201201 is a wasteful number, since it uses less digits than its factorization.

201111100201201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289800483.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 201111100201201 its reverse (102102001111102), we get a palindrome (303213101312303).

Subtracting from 201111100201201 its reverse (102102001111102), we obtain a palindrome (99009099090099).

The spelling of 201111100201201 in words is "two hundred one trillion, one hundred eleven billion, one hundred million, two hundred one thousand, two hundred one".