120112111221220 has 12 divisors (see below), whose sum is σ = 252235433564604. Its totient is φ = 48044844488480.

The previous prime is 120112111221199. The next prime is 120112111221281. The reversal of 120112111221220 is 22122111211021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20089829980224 + 100022281240996 = 4482168^2 + 10001114^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3002802780511 + ... + 3002802780550.

It is an arithmetic number, because the mean of its divisors is an integer number (21019619463717).

Almost surely, 2^{120112111221220} is an apocalyptic number.

120112111221220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120112111221220 is an abundant number, since it is smaller than the sum of its proper divisors (132123322343384).

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

120112111221220 is a wasteful number, since it uses less digits than its factorization.

120112111221220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6005605561070 (or 6005605561068 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 120112111221220 its reverse (22122111211021), we get a palindrome (142234222432241).

The spelling of 120112111221220 in words is "one hundred twenty trillion, one hundred twelve billion, one hundred eleven million, two hundred twenty-one thousand, two hundred twenty".