2011110220220 has 12 divisors (see below), whose sum is σ = 4223331462504. Its totient is φ = 804444088080.

The previous prime is 2011110220219. The next prime is 2011110220297. The reversal of 2011110220220 is 220220111102.

It is a junction number, because it is equal to n+sod(n) for n = 2011110220195 and 2011110220204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50277755486 + ... + 50277755525.

It is an arithmetic number, because the mean of its divisors is an integer number (351944288542).

Almost surely, 2^{2011110220220} is an apocalyptic number.

2011110220220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011110220220 is an abundant number, since it is smaller than the sum of its proper divisors (2212221242284).

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

2011110220220 is a wasteful number, since it uses less digits than its factorization.

2011110220220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100555511020 (or 100555511018 counting only the distinct ones).

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

Adding to 2011110220220 its reverse (220220111102), we get a palindrome (2231330331322).

The spelling of 2011110220220 in words is "two trillion, eleven billion, one hundred ten million, two hundred twenty thousand, two hundred twenty".