11020121200120 has 16 divisors (see below), whose sum is σ = 24795272700360. Its totient is φ = 4408048480032.

The previous prime is 11020121200087. The next prime is 11020121200133. The reversal of 11020121200120 is 2100212102011.

It is a self number, because there is not a number n which added to its sum of digits gives 11020121200120.

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, 137751514962 + ... + 137751515041.

Almost surely, 2^{11020121200120} is an apocalyptic number.

11020121200120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11020121200120 is an abundant number, since it is smaller than the sum of its proper divisors (13775151500240).

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

11020121200120 is a wasteful number, since it uses less digits than its factorization.

11020121200120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275503030014 (or 275503030010 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11020121200120 its reverse (2100212102011), we get a palindrome (13120333302131).

The spelling of 11020121200120 in words is "eleven trillion, twenty billion, one hundred twenty-one million, two hundred thousand, one hundred twenty".