11020021120220 has 96 divisors (see below), whose sum is σ = 26564799744000. Its totient is φ = 3761621789184.

The previous prime is 11020021120093. The next prime is 11020021120223. The reversal of 11020021120220 is 2202112002011.

11020021120220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 11020021120195 and 11020021120204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020021120223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 155520119 + ... + 155590961.

It is an arithmetic number, because the mean of its divisors is an integer number (276716664000).

Almost surely, 2^{11020021120220} is an apocalyptic number.

11020021120220 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 11020021120220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13282399872000).

11020021120220 is an abundant number, since it is smaller than the sum of its proper divisors (15544778623780).

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

11020021120220 is a wasteful number, since it uses less digits than its factorization.

11020021120220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75747 (or 75745 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11020021120220 its reverse (2202112002011), we get a palindrome (13222133122231).

It can be divided in two parts, 1102002 and 1120220, that added together give a palindrome (2222222).

The spelling of 11020021120220 in words is "eleven trillion, twenty billion, twenty-one million, one hundred twenty thousand, two hundred twenty".