11102220212020 has 96 divisors (see below), whose sum is σ = 28049756313600. Its totient is φ = 3605872132224.

The previous prime is 11102220211987. The next prime is 11102220212029. The reversal of 11102220212020 is 2021202220111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11102220211985 and 11102220212003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11102220212029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38209809 + ... + 38499271.

It is an arithmetic number, because the mean of its divisors is an integer number (292184961600).

Almost surely, 2^{11102220212020} is an apocalyptic number.

11102220212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11102220212020 is an abundant number, since it is smaller than the sum of its proper divisors (16947536101580).

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

11102220212020 is a wasteful number, since it uses less digits than its factorization.

11102220212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303917 (or 303915 counting only the distinct ones).

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

Adding to 11102220212020 its reverse (2021202220111), we get a palindrome (13123422432131).

The spelling of 11102220212020 in words is "eleven trillion, one hundred two billion, two hundred twenty million, two hundred twelve thousand, twenty".