2220220111 has 16 divisors (see below), whose sum is σ = 2395293120. Its totient is φ = 2050260480.

The previous prime is 2220220073. The next prime is 2220220157. The reversal of 2220220111 is 1110220222.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2220220111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2220220091 and 2220220100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220220181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 452805 + ... + 457681.

It is an arithmetic number, because the mean of its divisors is an integer number (149705820).

Almost surely, 2^2220220111 is an apocalyptic number.

2220220111 is a deficient number, since it is larger than the sum of its proper divisors (175073009).

2220220111 is a wasteful number, since it uses less digits than its factorization.

2220220111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5394.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2220220111 is about 47119.2116975656. The cubic root of 2220220111 is about 1304.5638626147.

Adding to 2220220111 its reverse (1110220222), we get a palindrome (3330440333).

The spelling of 2220220111 in words is "two billion, two hundred twenty million, two hundred twenty thousand, one hundred eleven".