201111320201201 has 16 divisors (see below), whose sum is σ = 212070311389440. Its totient is φ = 190189873167120.

The previous prime is 201111320201189. The next prime is 201111320201219. The reversal of 201111320201201 is 102102023111102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 201111320201201 - 2³⁰ = 201110246459377 is a prime.

It is a super-2 number, since 2×201111320201201² (a number of 29 digits) contains 22 as substring.

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 201111320201201.

It is not an unprimeable number, because it can be changed into a prime (201111320201261) 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, 55958186 + ... + 59443596.

It is an arithmetic number, because the mean of its divisors is an integer number (13254394461840).

Almost surely, 2^{201111320201201} is an apocalyptic number.

It is an amenable number.

201111320201201 is a deficient number, since it is larger than the sum of its proper divisors (10958991188239).

201111320201201 is a wasteful number, since it uses less digits than its factorization.

201111320201201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3490796.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 201111320201201 its reverse (102102023111102), we get a palindrome (303213343312303).

The spelling of 201111320201201 in words is "two hundred one trillion, one hundred eleven billion, three hundred twenty million, two hundred one thousand, two hundred one".