11021122121022 has 80 divisors (see below), whose sum is σ = 26748859404960. Its totient is φ = 3371512569408.

The previous prime is 11021122120933. The next prime is 11021122121047. The reversal of 11021122121022 is 22012122112011.

11021122121022 is a `hidden beast` number, since 1 + 1 + 0 + 211 + 221 + 210 + 22 = 666.

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 = 11021122120986 and 11021122121004.

It is a congruent number.

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 39 ways as a sum of consecutive naturals, for example, 14760522 + ... + 15489197.

It is an arithmetic number, because the mean of its divisors is an integer number (334360742562).

Almost surely, 2^{11021122121022} is an apocalyptic number.

11021122121022 is an abundant number, since it is smaller than the sum of its proper divisors (15727737283938).

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

11021122121022 is a wasteful number, since it uses less digits than its factorization.

11021122121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30249919 (or 30249910 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11021122121022 its reverse (22012122112011), we get a palindrome (33033244233033).

The spelling of 11021122121022 in words is "eleven trillion, twenty-one billion, one hundred twenty-two million, one hundred twenty-one thousand, twenty-two".