11201121120222 has 64 divisors (see below), whose sum is σ = 28583403206400. Its totient is φ = 3215632854240.

The previous prime is 11201121120193. The next prime is 11201121120253. The reversal of 11201121120222 is 22202112110211.

11201121120222 is a `hidden beast` number, since 1 + 1 + 201 + 121 + 120 + 222 = 666.

It is a super-2 number, since 2×11201121120222² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11201121120195 and 11201121120204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 496228353 + ... + 496250924.

It is an arithmetic number, because the mean of its divisors is an integer number (446615675100).

Almost surely, 2^{11201121120222} is an apocalyptic number.

11201121120222 is an abundant number, since it is smaller than the sum of its proper divisors (17382282086178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11201121120222 is a wasteful number, since it uses less digits than its factorization.

11201121120222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992479318 (or 992479312 counting only the distinct ones).

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

Adding to 11201121120222 its reverse (22202112110211), we get a palindrome (33403233230433).

The spelling of 11201121120222 in words is "eleven trillion, two hundred one billion, one hundred twenty-one million, one hundred twenty thousand, two hundred twenty-two".