11021112211122 has 48 divisors (see below), whose sum is σ = 25739456929368. Its totient is φ = 3388008798720.

The previous prime is 11021112211079. The next prime is 11021112211129. The reversal of 11021112211122 is 22111221112011.

It is a happy number.

11021112211122 is a `hidden beast` number, since 110 + 211 + 1 + 221 + 1 + 122 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 10356611712561 + 664500498561 = 3218169^2 + 815169^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11021112211095 and 11021112211104.

It is not an unprimeable number, because it can be changed into a prime (11021112211129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21289879 + ... + 21801402.

Almost surely, 2^{11021112211122} is an apocalyptic number.

11021112211122 is an abundant number, since it is smaller than the sum of its proper divisors (14718344718246).

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

11021112211122 is a wasteful number, since it uses less digits than its factorization.

11021112211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43092395 (or 43092392 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 11021112211122 its reverse (22111221112011), we get a palindrome (33132333323133).

The spelling of 11021112211122 in words is "eleven trillion, twenty-one billion, one hundred twelve million, two hundred eleven thousand, one hundred twenty-two".