11212122201201 has 12 divisors (see below), whose sum is σ = 16197567779328. Its totient is φ = 7473695754744.

The previous prime is 11212122201179. The next prime is 11212122201233. The reversal of 11212122201201 is 10210222121211.

11212122201201 is a `hidden beast` number, since 11 + 21 + 212 + 220 + 1 + 201 = 666.

It is not a de Polignac number, because 11212122201201 - 2⁵ = 11212122201169 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11212122201901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87630805 + ... + 87758658.

It is an arithmetic number, because the mean of its divisors is an integer number (1349797314944).

Almost surely, 2^{11212122201201} is an apocalyptic number.

It is an amenable number.

11212122201201 is a deficient number, since it is larger than the sum of its proper divisors (4985445578127).

11212122201201 is a wasteful number, since it uses less digits than its factorization.

11212122201201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175396572 (or 175396569 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11212122201201 its reverse (10210222121211), we get a palindrome (21422344322412).

The spelling of 11212122201201 in words is "eleven trillion, two hundred twelve billion, one hundred twenty-two million, two hundred one thousand, two hundred one".