11010211000020 has 36 divisors (see below), whose sum is σ = 33397640033940. Its totient is φ = 2936056266624.

The previous prime is 11010211000007. The next prime is 11010211000043. The reversal of 11010211000020 is 2000011201011.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7617003851664 + 3393207148356 = 2759892^2 + 1842066^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×11010211000020³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 11010210999966 and 11010211000011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30583919265 + ... + 30583919624.

It is an arithmetic number, because the mean of its divisors is an integer number (927712223165).

Almost surely, 2^{11010211000020} is an apocalyptic number.

11010211000020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11010211000020 is an abundant number, since it is smaller than the sum of its proper divisors (22387429033920).

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

11010211000020 is a wasteful number, since it uses less digits than its factorization.

11010211000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61167838904 (or 61167838899 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 11010211000020 its reverse (2000011201011), we get a palindrome (13010222201031).

The spelling of 11010211000020 in words is "eleven trillion, ten billion, two hundred eleven million, twenty", and thus it is an aban number.