2211221111122 has 64 divisors (see below), whose sum is σ = 3681138991104. Its totient is φ = 991491621120.

The previous prime is 2211221111117. The next prime is 2211221111123. The reversal of 2211221111122 is 2211111221122.

It is a happy number.

It is a super-2 number, since 2×2211221111122² (a number of 25 digits) contains 22 as substring.

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

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 2211221111122.

It is not an unprimeable number, because it can be changed into a prime (2211221111123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 171100953 + ... + 171113875.

It is an arithmetic number, because the mean of its divisors is an integer number (57517796736).

Almost surely, 2^{2211221111122} is an apocalyptic number.

2211221111122 is a deficient number, since it is larger than the sum of its proper divisors (1469917879982).

2211221111122 is a wasteful number, since it uses less digits than its factorization.

2211221111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15463.

The product of its digits is 64, while the sum is 19.

Adding to 2211221111122 its reverse (2211111221122), we get a palindrome (4422332332244).

The spelling of 2211221111122 in words is "two trillion, two hundred eleven billion, two hundred twenty-one million, one hundred eleven thousand, one hundred twenty-two".