2222120211220 has 48 divisors (see below), whose sum is σ = 5743326089088. Its totient is φ = 703264417920.

The previous prime is 2222120211211. The next prime is 2222120211229. The reversal of 2222120211220 is 221120212222.

It is an interprime number because it is at equal distance from previous prime (2222120211211) and next prime (2222120211229).

It is a super-2 number, since 2×2222120211220² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222120211229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 610470766 + ... + 610474405.

It is an arithmetic number, because the mean of its divisors is an integer number (119652626856).

Almost surely, 2^{2222120211220} is an apocalyptic number.

2222120211220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222120211220 is an abundant number, since it is smaller than the sum of its proper divisors (3521205877868).

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

2222120211220 is a wasteful number, since it uses less digits than its factorization.

2222120211220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220945200 (or 1220945198 counting only the distinct ones).

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

Adding to 2222120211220 its reverse (221120212222), we get a palindrome (2443240423442).

The spelling of 2222120211220 in words is "two trillion, two hundred twenty-two billion, one hundred twenty million, two hundred eleven thousand, two hundred twenty".