120221210102220 has 72 divisors (see below), whose sum is σ = 364744961446320. Its totient is φ = 32052487605120.

The previous prime is 120221210102159. The next prime is 120221210102261. The reversal of 120221210102220 is 22201012122021.

It is a happy number.

120221210102220 is a `hidden beast` number, since 1 + 2 + 0 + 221 + 210 + 10 + 2 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 120221210102193 and 120221210102202.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66836575 + ... + 68611734.

It is an arithmetic number, because the mean of its divisors is an integer number (5065902242310).

Almost surely, 2^{120221210102220} is an apocalyptic number.

120221210102220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120221210102220 is an abundant number, since it is smaller than the sum of its proper divisors (244523751344100).

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

120221210102220 is a wasteful number, since it uses less digits than its factorization.

120221210102220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135453255 (or 135453250 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 120221210102220 its reverse (22201012122021), we get a palindrome (142422222224241).

The spelling of 120221210102220 in words is "one hundred twenty trillion, two hundred twenty-one billion, two hundred ten million, one hundred two thousand, two hundred twenty".