11020120111120 has 160 divisors (see below), whose sum is σ = 26794153635840. Its totient is φ = 4210113024000.

The previous prime is 11020120111093. The next prime is 11020120111159. The reversal of 11020120111120 is 2111102102011.

It is a happy number.

It is a super-2 number, since 2×11020120111120² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11020120111120.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 537006460 + ... + 537026980.

It is an arithmetic number, because the mean of its divisors is an integer number (167463460224).

Almost surely, 2^{11020120111120} is an apocalyptic number.

11020120111120 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 11020120111120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13397076817920).

11020120111120 is an abundant number, since it is smaller than the sum of its proper divisors (15774033524720).

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

11020120111120 is a wasteful number, since it uses less digits than its factorization.

11020120111120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23385 (or 23379 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11020120111120 its reverse (2111102102011), we get a palindrome (13131222213131).

The spelling of 11020120111120 in words is "eleven trillion, twenty billion, one hundred twenty million, one hundred eleven thousand, one hundred twenty".