2221111122 has 32 divisors (see below), whose sum is σ = 4567497984. Its totient is φ = 719625600.

The previous prime is 2221111103. The next prime is 2221111129. The reversal of 2221111122 is 2211111222.

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (2221111129) 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, 50008 + ... + 83324.

It is an arithmetic number, because the mean of its divisors is an integer number (142734312).

Almost surely, 2^2221111122 is an apocalyptic number.

2221111122 is an abundant number, since it is smaller than the sum of its proper divisors (2346386862).

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

2221111122 is a wasteful number, since it uses less digits than its factorization.

2221111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33634.

The product of its digits is 32, while the sum is 15.

The square root of 2221111122 is about 47128.6656080989. The cubic root of 2221111122 is about 1304.7383536162.

Adding to 2221111122 its reverse (2211111222), we get a palindrome (4432222344).

It can be divided in two parts, 22211 and 11122, that multiplied together give a palindrome (247030742).

The spelling of 2221111122 in words is "two billion, two hundred twenty-one million, one hundred eleven thousand, one hundred twenty-two".