2220221211220 has 24 divisors (see below), whose sum is σ = 4707731193984. Its totient is φ = 879466265376.

The previous prime is 2220221211217. The next prime is 2220221211239. The reversal of 2220221211220 is 221121220222.

2220221211220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 538886584 + ... + 538890703.

It is an arithmetic number, because the mean of its divisors is an integer number (196155466416).

Almost surely, 2^{2220221211220} is an apocalyptic number.

2220221211220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220221211220 is an abundant number, since it is smaller than the sum of its proper divisors (2487509982764).

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

2220221211220 is a wasteful number, since it uses less digits than its factorization.

2220221211220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077777399 (or 1077777397 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2220221211220 its reverse (221121220222), we get a palindrome (2441342431442).

The spelling of 2220221211220 in words is "two trillion, two hundred twenty billion, two hundred twenty-one million, two hundred eleven thousand, two hundred twenty".