2220112221020 has 12 divisors (see below), whose sum is σ = 4662235664184. Its totient is φ = 888044888400.

The previous prime is 2220112220999. The next prime is 2220112221053. The reversal of 2220112221020 is 201222110222.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2220112221020.

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, 55502805506 + ... + 55502805545.

It is an arithmetic number, because the mean of its divisors is an integer number (388519638682).

Almost surely, 2^{2220112221020} is an apocalyptic number.

2220112221020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220112221020 is an abundant number, since it is smaller than the sum of its proper divisors (2442123443164).

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

2220112221020 is a wasteful number, since it uses less digits than its factorization.

2220112221020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111005611060 (or 111005611058 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2220112221020 its reverse (201222110222), we get a palindrome (2421334331242).

The spelling of 2220112221020 in words is "two trillion, two hundred twenty billion, one hundred twelve million, two hundred twenty-one thousand, twenty".