2220111012220 has 24 divisors (see below), whose sum is σ = 4662403578000. Its totient is φ = 888011937792.

The previous prime is 2220111012199. The next prime is 2220111012253. The reversal of 2220111012220 is 222101110222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2220111012194 and 2220111012203.

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, 1464645 + ... + 2566204.

It is an arithmetic number, because the mean of its divisors is an integer number (194266815750).

Almost surely, 2^{2220111012220} is an apocalyptic number.

2220111012220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220111012220 is an abundant number, since it is smaller than the sum of its proper divisors (2442292565780).

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

2220111012220 is a wasteful number, since it uses less digits than its factorization.

2220111012220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4058397 (or 4058395 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2220111012220 its reverse (222101110222), we get a palindrome (2442212122442).

The spelling of 2220111012220 in words is "two trillion, two hundred twenty billion, one hundred eleven million, twelve thousand, two hundred twenty".