11021122220120 has 16 divisors (see below), whose sum is σ = 24797524995360. Its totient is φ = 4408448888032.

The previous prime is 11021122220113. The next prime is 11021122220131. The reversal of 11021122220120 is 2102222112011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137764027712 + ... + 137764027791.

It is an arithmetic number, because the mean of its divisors is an integer number (1549845312210).

Almost surely, 2^{11021122220120} is an apocalyptic number.

11021122220120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11021122220120 is an abundant number, since it is smaller than the sum of its proper divisors (13776402775240).

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

11021122220120 is a wasteful number, since it uses less digits than its factorization.

11021122220120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275528055514 (or 275528055510 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11021122220120 its reverse (2102222112011), we get a palindrome (13123344332131).

The spelling of 11021122220120 in words is "eleven trillion, twenty-one billion, one hundred twenty-two million, two hundred twenty thousand, one hundred twenty".