11020111310220 has 192 divisors, whose sum is σ = 32275247026176. Its totient is φ = 2806302965760.

The previous prime is 11020111310203. The next prime is 11020111310261. The reversal of 11020111310220 is 2201311102011.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11020111310220.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 47595372 + ... + 47826348.

It is an arithmetic number, because the mean of its divisors is an integer number (168100244928).

Almost surely, 2^{11020111310220} is an apocalyptic number.

11020111310220 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 11020111310220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16137623513088).

11020111310220 is an abundant number, since it is smaller than the sum of its proper divisors (21255135715956).

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

11020111310220 is a wasteful number, since it uses less digits than its factorization.

11020111310220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231360 (or 231358 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 11020111310220 its reverse (2201311102011), we get a palindrome (13221422412231).

The spelling of 11020111310220 in words is "eleven trillion, twenty billion, one hundred eleven million, three hundred ten thousand, two hundred twenty".