11222120122201 has 4 divisors (see below), whose sum is σ = 11222152719232. Its totient is φ = 11222087525172.

The previous prime is 11222120122177. The next prime is 11222120122237. The reversal of 11222120122201 is 10222102122211.

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 not a de Polignac number, because 11222120122201 - 2⁹ = 11222120121689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11222120122501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15776541 + ... + 16472506.

It is an arithmetic number, because the mean of its divisors is an integer number (2805538179808).

Almost surely, 2^{11222120122201} is an apocalyptic number.

It is an amenable number.

11222120122201 is a deficient number, since it is larger than the sum of its proper divisors (32597031).

11222120122201 is an equidigital number, since it uses as much as digits as its factorization.

11222120122201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32597030.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11222120122201 its reverse (10222102122211), we get a palindrome (21444222244412).

The spelling of 11222120122201 in words is "eleven trillion, two hundred twenty-two billion, one hundred twenty million, one hundred twenty-two thousand, two hundred one".