11101100120220 has 192 divisors, whose sum is σ = 36196217487360. Its totient is φ = 2513625811200.

The previous prime is 11101100120183. The next prime is 11101100120237. The reversal of 11101100120220 is 2202100110111.

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 = 11101100120196 and 11101100120205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5343852 + ... + 7124531.

It is an arithmetic number, because the mean of its divisors is an integer number (188521966080).

Almost surely, 2^{11101100120220} is an apocalyptic number.

11101100120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11101100120220 is an abundant number, since it is smaller than the sum of its proper divisors (25095117367140).

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

11101100120220 is a wasteful number, since it uses less digits than its factorization.

11101100120220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12468496 (or 12468494 counting only the distinct ones).

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

Adding to 11101100120220 its reverse (2202100110111), we get a palindrome (13303200230331).

The spelling of 11101100120220 in words is "eleven trillion, one hundred one billion, one hundred million, one hundred twenty thousand, two hundred twenty".