11220221110122 has 192 divisors, whose sum is σ = 25862655836160. Its totient is φ = 3511457913600.

The previous prime is 11220221110121. The next prime is 11220221110123. The reversal of 11220221110122 is 22101112202211.

It is an interprime number because it is at equal distance from previous prime (11220221110121) and next prime (11220221110123).

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 = 11220221110095 and 11220221110104.

It is not an unprimeable number, because it can be changed into a prime (11220221110121) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 548897422 + ... + 548917862.

It is an arithmetic number, because the mean of its divisors is an integer number (134701332480).

Almost surely, 2^{11220221110122} is an apocalyptic number.

11220221110122 is an abundant number, since it is smaller than the sum of its proper divisors (14642434726038).

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

11220221110122 is a wasteful number, since it uses less digits than its factorization.

11220221110122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20809 (or 20806 counting only the distinct ones).

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

Adding to 11220221110122 its reverse (22101112202211), we get a palindrome (33321333312333).

The spelling of 11220221110122 in words is "eleven trillion, two hundred twenty billion, two hundred twenty-one million, one hundred ten thousand, one hundred twenty-two".