2011110222020 has 12 divisors (see below), whose sum is σ = 4223331466284. Its totient is φ = 804444088800.

The previous prime is 2011110222007. The next prime is 2011110222041. The reversal of 2011110222020 is 202220111102.

It can be written as a sum of positive squares in 2 ways, for example, as 806630311876 + 1204479910144 = 898126^2 + 1097488^2 .

It is a super-2 number, since 2×2011110222020² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2011110221986 and 2011110222004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50277755531 + ... + 50277755570.

It is an arithmetic number, because the mean of its divisors is an integer number (351944288857).

Almost surely, 2^{2011110222020} is an apocalyptic number.

2011110222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011110222020 is an abundant number, since it is smaller than the sum of its proper divisors (2212221244264).

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

2011110222020 is a wasteful number, since it uses less digits than its factorization.

2011110222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100555511110 (or 100555511108 counting only the distinct ones).

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

Adding to 2011110222020 its reverse (202220111102), we get a palindrome (2213330333122).

The spelling of 2011110222020 in words is "two trillion, eleven billion, one hundred ten million, two hundred twenty-two thousand, twenty".