11210220000020 has 24 divisors (see below), whose sum is σ = 23555567200200. Its totient is φ = 4481401295232.

The previous prime is 11210220000017. The next prime is 11210220000157. The reversal of 11210220000020 is 2000002201211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 429583241476 + 10780636758544 = 655426^2 + 3283388^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11210219999956 and 11210220000010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167884835 + ... + 167951594.

It is an arithmetic number, because the mean of its divisors is an integer number (981481966675).

Almost surely, 2^{11210220000020} is an apocalyptic number.

11210220000020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11210220000020 is an abundant number, since it is smaller than the sum of its proper divisors (12345347200180).

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

11210220000020 is a wasteful number, since it uses less digits than its factorization.

11210220000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335838107 (or 335838105 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 11210220000020 its reverse (2000002201211), we get a palindrome (13210222201231).

The spelling of 11210220000020 in words is "eleven trillion, two hundred ten billion, two hundred twenty million, twenty", and thus it is an aban number.