1120222111 has 16 divisors (see below), whose sum is σ = 1188278784. Its totient is φ = 1054779264.

The previous prime is 1120222109. The next prime is 1120222183. The reversal of 1120222111 is 1112220211.

It is not a de Polignac number, because 1120222111 - 2¹ = 1120222109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1120222091 and 1120222100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120222211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131271 + ... + 139543.

It is an arithmetic number, because the mean of its divisors is an integer number (74267424).

Almost surely, 2^1120222111 is an apocalyptic number.

1120222111 is a deficient number, since it is larger than the sum of its proper divisors (68056673).

1120222111 is an equidigital number, since it uses as much as digits as its factorization.

1120222111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8430.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1120222111 is about 33469.7193146283. The cubic root of 1120222111 is about 1038.5674652409.

Adding to 1120222111 its reverse (1112220211), we get a palindrome (2232442322).

The spelling of 1120222111 in words is "one billion, one hundred twenty million, two hundred twenty-two thousand, one hundred eleven".