11102120222020 has 24 divisors (see below), whose sum is σ = 23317677898200. Its totient is φ = 4440233720832.

The previous prime is 11102120221963. The next prime is 11102120222093. The reversal of 11102120222020 is 2022202120111.

It is a happy number.

11102120222020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5709433071364 + 5392687150656 = 2389442^2 + 2322216^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11102120221985 and 11102120222003.

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, 38249805 + ... + 38538964.

It is an arithmetic number, because the mean of its divisors is an integer number (971569912425).

Almost surely, 2^{11102120222020} is an apocalyptic number.

11102120222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11102120222020 is an abundant number, since it is smaller than the sum of its proper divisors (12215557676180).

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

11102120222020 is a wasteful number, since it uses less digits than its factorization.

11102120222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76796007 (or 76796005 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11102120222020 its reverse (2022202120111), we get a palindrome (13124322342131).

The spelling of 11102120222020 in words is "eleven trillion, one hundred two billion, one hundred twenty million, two hundred twenty-two thousand, twenty".