11212022021122 has 16 divisors (see below), whose sum is σ = 18146358357120. Its totient is φ = 5164884972432.

The previous prime is 11212022021119. The next prime is 11212022021129. The reversal of 11212022021122 is 22112022021211.

It is a self number, because there is not a number n which added to its sum of digits gives 11212022021122.

It is not an unprimeable number, because it can be changed into a prime (11212022021129) 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 7 ways as a sum of consecutive naturals, for example, 412253722 + ... + 412280917.

It is an arithmetic number, because the mean of its divisors is an integer number (1134147397320).

Almost surely, 2^{11212022021122} is an apocalyptic number.

11212022021122 is a deficient number, since it is larger than the sum of its proper divisors (6934336335998).

11212022021122 is a wasteful number, since it uses less digits than its factorization.

11212022021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824535177.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11212022021122 its reverse (22112022021211), we get a palindrome (33324044042333).

The spelling of 11212022021122 in words is "eleven trillion, two hundred twelve billion, twenty-two million, twenty-one thousand, one hundred twenty-two".