11221000110120 has 128 divisors (see below), whose sum is σ = 34834992192000. Its totient is φ = 2888156006400.

The previous prime is 11221000110107. The next prime is 11221000110143. The reversal of 11221000110120 is 2101100012211.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 11221000110096 and 11221000110105.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 10337220 + ... + 11371020.

It is an arithmetic number, because the mean of its divisors is an integer number (272148376500).

Almost surely, 2^{11221000110120} is an apocalyptic number.

11221000110120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11221000110120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17417496096000).

11221000110120 is an abundant number, since it is smaller than the sum of its proper divisors (23613992081880).

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

11221000110120 is a wasteful number, since it uses less digits than its factorization.

11221000110120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036963 (or 1036959 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11221000110120 its reverse (2101100012211), we get a palindrome (13322100122331).

The spelling of 11221000110120 in words is "eleven trillion, two hundred twenty-one billion, one hundred ten thousand, one hundred twenty".