11021201222201 has 4 divisors (see below), whose sum is σ = 11376723842304. Its totient is φ = 10665678602100.

The previous prime is 11021201222191. The next prime is 11021201222203. The reversal of 11021201222201 is 10222210212011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11021201222201 is a prime.

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 11021201222201.

It is not an unprimeable number, because it can be changed into a prime (11021201222203) 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 3 ways as a sum of consecutive naturals, for example, 177761310005 + ... + 177761310066.

It is an arithmetic number, because the mean of its divisors is an integer number (2844180960576).

Almost surely, 2^{11021201222201} is an apocalyptic number.

It is an amenable number.

11021201222201 is a deficient number, since it is larger than the sum of its proper divisors (355522620103).

11021201222201 is an equidigital number, since it uses as much as digits as its factorization.

11021201222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355522620102.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11021201222201 its reverse (10222210212011), we get a palindrome (21243411434212).

The spelling of 11021201222201 in words is "eleven trillion, twenty-one billion, two hundred one million, two hundred twenty-two thousand, two hundred one".