11020120102020 has 192 divisors, whose sum is σ = 31530800689920. Its totient is φ = 2875474201600.

The previous prime is 11020120101989. The next prime is 11020120102129. The reversal of 11020120102020 is 2020102102011.

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 = 11020120101987 and 11020120102005.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5501806339 + ... + 5501808341.

It is an arithmetic number, because the mean of its divisors is an integer number (164222920260).

Almost surely, 2^{11020120102020} is an apocalyptic number.

11020120102020 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 11020120102020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15765400344960).

11020120102020 is an abundant number, since it is smaller than the sum of its proper divisors (20510680587900).

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

11020120102020 is an equidigital number, since it uses as much as digits as its factorization.

11020120102020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2407 (or 2203 counting only the distinct ones).

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

Adding to 11020120102020 its reverse (2020102102011), we get a palindrome (13040222204031).

Subtracting from 11020120102020 its reverse (2020102102011), we obtain a square (9000018000009 = 3000003²).

The spelling of 11020120102020 in words is "eleven trillion, twenty billion, one hundred twenty million, one hundred two thousand, twenty".