11122022121822 has 24 divisors (see below), whose sum is σ = 24122634712176. Its totient is φ = 3703506843456.

The previous prime is 11122022121779. The next prime is 11122022121823. The reversal of 11122022121822 is 22812122022111.

It is a happy number.

11122022121822 is a `hidden beast` number, since 1 + 1 + 1 + 220 + 221 + 218 + 2 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122022121823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 319470763 + ... + 319505574.

It is an arithmetic number, because the mean of its divisors is an integer number (1005109779674).

Almost surely, 2^{11122022121822} is an apocalyptic number.

11122022121822 is an abundant number, since it is smaller than the sum of its proper divisors (13000612590354).

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

11122022121822 is a wasteful number, since it uses less digits than its factorization.

11122022121822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638977312 (or 638977309 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 27.

Adding to 11122022121822 its reverse (22812122022111), we get a palindrome (33934144143933).

The spelling of 11122022121822 in words is "eleven trillion, one hundred twenty-two billion, twenty-two million, one hundred twenty-one thousand, eight hundred twenty-two".