11220120000102 has 128 divisors (see below), whose sum is σ = 25439189852160. Its totient is φ = 3275471416320.

The previous prime is 11220120000091. The next prime is 11220120000107. The reversal of 11220120000102 is 20100002102211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220120000107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29287524 + ... + 29668152.

It is an arithmetic number, because the mean of its divisors is an integer number (198743670720).

Almost surely, 2^{11220120000102} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11220120000102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12719594926080).

11220120000102 is an abundant number, since it is smaller than the sum of its proper divisors (14219069852058).

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

11220120000102 is a wasteful number, since it uses less digits than its factorization.

11220120000102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380918.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11220120000102 its reverse (20100002102211), we get a palindrome (31320122102313).

The spelling of 11220120000102 in words is "eleven trillion, two hundred twenty billion, one hundred twenty million, one hundred two", and thus it is an aban number.