22211022021122 has 64 divisors (see below), whose sum is σ = 38571177093120. Its totient is φ = 9492591715200.

The previous prime is 22211022021107. The next prime is 22211022021127. The reversal of 22211022021122 is 22112022011222.

It is a junction number, because it is equal to n+sod(n) for n = 22211022021094 and 22211022021103.

It is not an unprimeable number, because it can be changed into a prime (22211022021127) 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 31 ways as a sum of consecutive naturals, for example, 773592347 + ... + 773621057.

It is an arithmetic number, because the mean of its divisors is an integer number (602674642080).

Almost surely, 2^{22211022021122} is an apocalyptic number.

22211022021122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22211022021122 is a deficient number, since it is larger than the sum of its proper divisors (16360155071998).

22211022021122 is a wasteful number, since it uses less digits than its factorization.

22211022021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54719.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22211022021122 its reverse (22112022011222), we get a palindrome (44323044032344).

The spelling of 22211022021122 in words is "twenty-two trillion, two hundred eleven billion, twenty-two million, twenty-one thousand, one hundred twenty-two".