11120020121112 has 128 divisors (see below), whose sum is σ = 31959364976640. Its totient is φ = 3158416103040.

The previous prime is 11120020121107. The next prime is 11120020121167. The reversal of 11120020121112 is 21112102002111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11120020121091 and 11120020121100.

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 31 ways as a sum of consecutive naturals, for example, 19007833 + ... + 19584119.

It is an arithmetic number, because the mean of its divisors is an integer number (249682538880).

Almost surely, 2^{11120020121112} is an apocalyptic number.

11120020121112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11120020121112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15979682488320).

11120020121112 is an abundant number, since it is smaller than the sum of its proper divisors (20839344855528).

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

11120020121112 is a wasteful number, since it uses less digits than its factorization.

11120020121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576981 (or 576977 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11120020121112 its reverse (21112102002111), we get a palindrome (32232122123223).

The spelling of 11120020121112 in words is "eleven trillion, one hundred twenty billion, twenty million, one hundred twenty-one thousand, one hundred twelve".