11210121222201 has 24 divisors (see below), whose sum is σ = 17720869379616. Its totient is φ = 6772306731840.

The previous prime is 11210121222199. The next prime is 11210121222227. The reversal of 11210121222201 is 10222212101211.

11210121222201 is a `hidden beast` number, since 1 + 121 + 0 + 121 + 222 + 201 = 666.

It is not a de Polignac number, because 11210121222201 - 2¹ = 11210121222199 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11210121222271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 180853275 + ... + 180915248.

It is an arithmetic number, because the mean of its divisors is an integer number (738369557484).

Almost surely, 2^{11210121222201} is an apocalyptic number.

11210121222201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11210121222201 is a deficient number, since it is larger than the sum of its proper divisors (6510748157415).

11210121222201 is a wasteful number, since it uses less digits than its factorization.

11210121222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361768853 (or 361768850 counting only the distinct ones).

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

Adding to 11210121222201 its reverse (10222212101211), we get a palindrome (21432333323412).

The spelling of 11210121222201 in words is "eleven trillion, two hundred ten billion, one hundred twenty-one million, two hundred twenty-two thousand, two hundred one".