2220111012222 has 32 divisors (see below), whose sum is σ = 4934060762400. Its totient is φ = 739964893824.

The previous prime is 2220111012199. The next prime is 2220111012253. The reversal of 2220111012222 is 2222101110222.

It is a happy number.

2220111012222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2220111012195 and 2220111012204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1442313 + ... + 2553524.

It is an arithmetic number, because the mean of its divisors is an integer number (154189398825).

Almost surely, 2^{2220111012222} is an apocalyptic number.

2220111012222 is an abundant number, since it is smaller than the sum of its proper divisors (2713949750178).

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

2220111012222 is a wasteful number, since it uses less digits than its factorization.

2220111012222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4006137 (or 4006131 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2220111012222 its reverse (2222101110222), we get a palindrome (4442212122444).

The spelling of 2220111012222 in words is "two trillion, two hundred twenty billion, one hundred eleven million, twelve thousand, two hundred twenty-two".