2222120002220 has 96 divisors (see below), whose sum is σ = 4939941758976. Its totient is φ = 837885171200.

The previous prime is 2222120002181. The next prime is 2222120002231. The reversal of 2222120002220 is 222000212222.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88528712 + ... + 88553808.

It is an arithmetic number, because the mean of its divisors is an integer number (51457726656).

Almost surely, 2^{2222120002220} is an apocalyptic number.

2222120002220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2222120002220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2469970879488).

2222120002220 is an abundant number, since it is smaller than the sum of its proper divisors (2717821756756).

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

2222120002220 is a wasteful number, since it uses less digits than its factorization.

2222120002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27911 (or 27909 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 2222120002220 its reverse (222000212222), we get a palindrome (2444120214442).

The spelling of 2222120002220 in words is "two trillion, two hundred twenty-two billion, one hundred twenty million, two thousand, two hundred twenty".