11010211200020 has 24 divisors (see below), whose sum is σ = 23121837946368. Its totient is φ = 4404009351200.

The previous prime is 11010211199969. The next prime is 11010211200029. The reversal of 11010211200020 is 2000211201011.

It is a junction number, because it is equal to n+sod(n) for n = 11010211199974 and 11010211200010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11010211200029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3486236 + ... + 5845875.

It is an arithmetic number, because the mean of its divisors is an integer number (963409914432).

Almost surely, 2^{11010211200020} is an apocalyptic number.

11010211200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11010211200020 is an abundant number, since it is smaller than the sum of its proper divisors (12111626746348).

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

11010211200020 is a wasteful number, since it uses less digits than its factorization.

11010211200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9391111 (or 9391109 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11010211200020 its reverse (2000211201011), we get a palindrome (13010422401031).

Subtracting from 11010211200020 its reverse (2000211201011), we obtain a palindrome (9009999999009).

The spelling of 11010211200020 in words is "eleven trillion, ten billion, two hundred eleven million, two hundred thousand, twenty".