11220012100122 has 192 divisors, whose sum is σ = 27954642240000. Its totient is φ = 2984485730688.

The previous prime is 11220012100067. The next prime is 11220012100181. The reversal of 11220012100122 is 22100121002211.

11220012100122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 156780004 + ... + 156851552.

It is an arithmetic number, because the mean of its divisors is an integer number (145597095000).

Almost surely, 2^{11220012100122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11220012100122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13977321120000).

11220012100122 is an abundant number, since it is smaller than the sum of its proper divisors (16734630139878).

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

11220012100122 is a wasteful number, since it uses less digits than its factorization.

11220012100122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72073 (or 72066 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11220012100122 its reverse (22100121002211), we get a palindrome (33320133102333).

The spelling of 11220012100122 in words is "eleven trillion, two hundred twenty billion, twelve million, one hundred thousand, one hundred twenty-two".