11122202100020 has 144 divisors (see below), whose sum is σ = 26098914562560. Its totient is φ = 3977774972160.

The previous prime is 11122202100007. The next prime is 11122202100029. The reversal of 11122202100020 is 2000120222111.

11122202100020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11122202099968 and 11122202100004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122202100029) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44667626 + ... + 44915934.

It is an arithmetic number, because the mean of its divisors is an integer number (181242462240).

Almost surely, 2^{11122202100020} is an apocalyptic number.

11122202100020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11122202100020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13049457281280).

11122202100020 is an abundant number, since it is smaller than the sum of its proper divisors (14976712462540).

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

11122202100020 is a wasteful number, since it uses less digits than its factorization.

11122202100020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248646 (or 248633 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11122202100020 its reverse (2000120222111), we get a palindrome (13122322322131).

The spelling of 11122202100020 in words is "eleven trillion, one hundred twenty-two billion, two hundred two million, one hundred thousand, twenty".