11122121122201 has 16 divisors (see below), whose sum is σ = 11968483933440. Its totient is φ = 10298061745920.

The previous prime is 11122121122193. The next prime is 11122121122213. The reversal of 11122121122201 is 10222112122111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11122121122201 - 2³ = 11122121122193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11122121122291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14576635 + ... + 15320656.

It is an arithmetic number, because the mean of its divisors is an integer number (748030245840).

Almost surely, 2^{11122121122201} is an apocalyptic number.

It is an amenable number.

11122121122201 is a deficient number, since it is larger than the sum of its proper divisors (846362811239).

11122121122201 is a wasteful number, since it uses less digits than its factorization.

11122121122201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29897664.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 11122121122201 its reverse (10222112122111), we get a palindrome (21344233244312).

The spelling of 11122121122201 in words is "eleven trillion, one hundred twenty-two billion, one hundred twenty-one million, one hundred twenty-two thousand, two hundred one".