120100221010220 has 96 divisors (see below), whose sum is σ = 278277610060800. Its totient is φ = 43177195353600.

The previous prime is 120100221010213. The next prime is 120100221010309. The reversal of 120100221010220 is 22010122001021.

It is a junction number, because it is equal to n+sod(n) for n = 120100221010195 and 120100221010204.

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 31 ways as a sum of consecutive naturals, for example, 907721 + ... + 15524960.

It is an arithmetic number, because the mean of its divisors is an integer number (2898725104800).

Almost surely, 2^{120100221010220} is an apocalyptic number.

120100221010220 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 120100221010220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139138805030400).

120100221010220 is an abundant number, since it is smaller than the sum of its proper divisors (158177389050580).

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

120100221010220 is a wasteful number, since it uses less digits than its factorization.

120100221010220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16433079 (or 16433077 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 120100221010220 its reverse (22010122001021), we get a palindrome (142110343011241).

It can be divided in two parts, 1201002 and 21010220, that added together give a palindrome (22211222).

The spelling of 120100221010220 in words is "one hundred twenty trillion, one hundred billion, two hundred twenty-one million, ten thousand, two hundred twenty".