11221222000122 has 96 divisors (see below), whose sum is σ = 24926165821440. Its totient is φ = 3647544969600.

The previous prime is 11221222000097. The next prime is 11221222000127. The reversal of 11221222000122 is 22100022212211.

It is a happy number.

11221222000122 is a `hidden beast` number, since 112 + 212 + 220 + 0 + 0 + 122 = 666.

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 = 11221222000095 and 11221222000104.

It is not an unprimeable number, because it can be changed into a prime (11221222000127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33486279 + ... + 33819717.

It is an arithmetic number, because the mean of its divisors is an integer number (259647560640).

Almost surely, 2^{11221222000122} is an apocalyptic number.

11221222000122 is an abundant number, since it is smaller than the sum of its proper divisors (13704943821318).

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

11221222000122 is a wasteful number, since it uses less digits than its factorization.

11221222000122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333828 (or 333825 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11221222000122 its reverse (22100022212211), we get a palindrome (33321244212333).

The spelling of 11221222000122 in words is "eleven trillion, two hundred twenty-one billion, two hundred twenty-two million, one hundred twenty-two", and thus it is an aban number.