22111111221122 has 48 divisors (see below), whose sum is σ = 42391853249760. Its totient is φ = 8552742206400.

The previous prime is 22111111221061. The next prime is 22111111221137. The reversal of 22111111221122 is 22112211111122.

It is a happy number.

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 junction number, because it is equal to n+sod(n) for n = 22111111221094 and 22111111221103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73631579 + ... + 73931262.

It is an arithmetic number, because the mean of its divisors is an integer number (883163609370).

Almost surely, 2^{22111111221122} is an apocalyptic number.

22111111221122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22111111221122 is a deficient number, since it is larger than the sum of its proper divisors (20280742028638).

22111111221122 is a wasteful number, since it uses less digits than its factorization.

22111111221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147563007 (or 147563000 counting only the distinct ones).

The product of its digits is 64, while the sum is 20.

Adding to 22111111221122 its reverse (22112211111122), we get a palindrome (44223322332244).

The spelling of 22111111221122 in words is "twenty-two trillion, one hundred eleven billion, one hundred eleven million, two hundred twenty-one thousand, one hundred twenty-two".