11010020102020 has 96 divisors (see below), whose sum is σ = 24180551783136. Its totient is φ = 4207996416000.

The previous prime is 11010020101999. The next prime is 11010020102051. The reversal of 11010020102020 is 2020102001011.

It can be written as a sum of positive squares in 16 ways, for example, as 2896831232064 + 8113188869956 = 1702008^2 + 2848366^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 11010020101988 and 11010020102006.

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, 5687712 + ... + 7373608.

It is an arithmetic number, because the mean of its divisors is an integer number (251880747741).

Almost surely, 2^{11010020102020} is an apocalyptic number.

11010020102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11010020102020 is an abundant number, since it is smaller than the sum of its proper divisors (13170531681116).

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

11010020102020 is a wasteful number, since it uses less digits than its factorization.

11010020102020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1686121 (or 1686119 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 11010020102020 its reverse (2020102001011), we get a palindrome (13030122103031).

The spelling of 11010020102020 in words is "eleven trillion, ten billion, twenty million, one hundred two thousand, twenty".