120110101221220 has 96 divisors (see below), whose sum is σ = 276265456669440. Its totient is φ = 43501182320640.

The previous prime is 120110101221211. The next prime is 120110101221233. The reversal of 120110101221220 is 22122101011021.

It is a junction number, because it is equal to n+sod(n) for n = 120110101221194 and 120110101221203.

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 31 ways as a sum of consecutive naturals, for example, 482557561 + ... + 482806399.

It is an arithmetic number, because the mean of its divisors is an integer number (2877765173640).

Almost surely, 2^{120110101221220} is an apocalyptic number.

120110101221220 is a gapful number since it is divisible by the number (10) 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 120110101221220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138132728334720).

120110101221220 is an abundant number, since it is smaller than the sum of its proper divisors (156155355448220).

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

120110101221220 is a wasteful number, since it uses less digits than its factorization.

120110101221220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257653 (or 257651 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 120110101221220 its reverse (22122101011021), we get a palindrome (142232202232241).

The spelling of 120110101221220 in words is "one hundred twenty trillion, one hundred ten billion, one hundred one million, two hundred twenty-one thousand, two hundred twenty".