2220111222111 has 12 divisors (see below), whose sum is σ = 3293498329992. Its totient is φ = 1440072143856.

The previous prime is 2220111222047. The next prime is 2220111222113. The reversal of 2220111222111 is 1112221110222.

2220111222111 is a `hidden beast` number, since 2 + 220 + 111 + 222 + 111 = 666.

2220111222111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2220111222111 - 2⁶ = 2220111222047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220111222113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3333500001 + ... + 3333500666.

It is an arithmetic number, because the mean of its divisors is an integer number (274458194166).

Almost surely, 2^{2220111222111} is an apocalyptic number.

2220111222111 is a deficient number, since it is larger than the sum of its proper divisors (1073387107881).

2220111222111 is a wasteful number, since it uses less digits than its factorization.

2220111222111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6667000710 (or 6667000707 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 2220111222111 its reverse (1112221110222), we get a palindrome (3332332332333).

The spelling of 2220111222111 in words is "two trillion, two hundred twenty billion, one hundred eleven million, two hundred twenty-two thousand, one hundred eleven".