11011212201201 has 24 divisors (see below), whose sum is σ = 14817670019232. Its totient is φ = 7273384934400.

The previous prime is 11011212201193. The next prime is 11011212201203. The reversal of 11011212201201 is 10210221211011.

It is a happy number.

11011212201201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11011212201201 - 2³ = 11011212201193 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11011212201203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32833770 + ... + 33167436.

It is an arithmetic number, because the mean of its divisors is an integer number (617402917468).

Almost surely, 2^{11011212201201} is an apocalyptic number.

It is an amenable number.

11011212201201 is a deficient number, since it is larger than the sum of its proper divisors (3806457818031).

11011212201201 is an equidigital number, since it uses as much as digits as its factorization.

11011212201201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334573 (or 334442 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11011212201201 its reverse (10210221211011), we get a palindrome (21221433412212).

It can be divided in two parts, 11011 and 212201201, that added together give a palindrome (212212212).

The spelling of 11011212201201 in words is "eleven trillion, eleven billion, two hundred twelve million, two hundred one thousand, two hundred one".