11010211010020 has 12 divisors (see below), whose sum is σ = 23121443121084. Its totient is φ = 4404084404000.

The previous prime is 11010211009957. The next prime is 11010211010021. The reversal of 11010211010020 is 2001011201011.

It can be written as a sum of positive squares in 2 ways, for example, as 5069594483776 + 5940616526244 = 2251576^2 + 2437338^2 .

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 = 11010211009979 and 11010211010006.

It is not an unprimeable number, because it can be changed into a prime (11010211010021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275255275231 + ... + 275255275270.

It is an arithmetic number, because the mean of its divisors is an integer number (1926786926757).

Almost surely, 2^{11010211010020} is an apocalyptic number.

11010211010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11010211010020 is an abundant number, since it is smaller than the sum of its proper divisors (12111232111064).

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

11010211010020 is a wasteful number, since it uses less digits than its factorization.

11010211010020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550510550510 (or 550510550508 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11010211010020 its reverse (2001011201011), we get a palindrome (13011222211031).

The spelling of 11010211010020 in words is "eleven trillion, ten billion, two hundred eleven million, ten thousand, twenty".