11220112020020 has 384 divisors, whose sum is σ = 26536727347200. Its totient is φ = 3967564032000.

The previous prime is 11220112019929. The next prime is 11220112020097. The reversal of 11220112020020 is 2002021102211.

It is a junction number, because it is equal to n+sod(n) for n = 11220112019977 and 11220112020004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 15825263426 + ... + 15825264134.

It is an arithmetic number, because the mean of its divisors is an integer number (69106060800).

Almost surely, 2^{11220112020020} is an apocalyptic number.

11220112020020 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 11220112020020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13268363673600).

11220112020020 is an abundant number, since it is smaller than the sum of its proper divisors (15316615327180).

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

11220112020020 is a wasteful number, since it uses less digits than its factorization.

11220112020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199 (or 1197 counting only the distinct ones).

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

Adding to 11220112020020 its reverse (2002021102211), we get a palindrome (13222133122231).

The spelling of 11220112020020 in words is "eleven trillion, two hundred twenty billion, one hundred twelve million, twenty thousand, twenty".