11121002120120 has 16 divisors (see below), whose sum is σ = 25022254770360. Its totient is φ = 4448400848032.

The previous prime is 11121002120057. The next prime is 11121002120143. The reversal of 11121002120120 is 2102120012111.

It is a junction number, because it is equal to n+sod(n) for n = 11121002120095 and 11121002120104.

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, 139012526462 + ... + 139012526541.

Almost surely, 2^{11121002120120} is an apocalyptic number.

11121002120120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11121002120120 is an abundant number, since it is smaller than the sum of its proper divisors (13901252650240).

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

11121002120120 is a wasteful number, since it uses less digits than its factorization.

11121002120120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278025053014 (or 278025053010 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11121002120120 its reverse (2102120012111), we get a palindrome (13223122132231).

The spelling of 11121002120120 in words is "eleven trillion, one hundred twenty-one billion, two million, one hundred twenty thousand, one hundred twenty".