120011121002120 has 16 divisors (see below), whose sum is σ = 270025022254860. Its totient is φ = 48004448400832.

The previous prime is 120011121002111. The next prime is 120011121002137. The reversal of 120011121002120 is 21200121110021.

It can be written as a sum of positive squares in 2 ways, for example, as 113219686944676 + 6791434057444 = 10640474^2 + 2606038^2 .

It is a junction number, because it is equal to n+sod(n) for n = 120011121002095 and 120011121002104.

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 3 ways as a sum of consecutive naturals, for example, 1500139012487 + ... + 1500139012566.

Almost surely, 2^{120011121002120} is an apocalyptic number.

120011121002120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120011121002120 is an abundant number, since it is smaller than the sum of its proper divisors (150013901252740).

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

120011121002120 is a wasteful number, since it uses less digits than its factorization.

120011121002120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3000278025064 (or 3000278025060 counting only the distinct ones).

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

Adding to 120011121002120 its reverse (21200121110021), we get a palindrome (141211242112141).

The spelling of 120011121002120 in words is "one hundred twenty trillion, eleven billion, one hundred twenty-one million, two thousand, one hundred twenty".