120100221100220 has 24 divisors (see below), whose sum is σ = 252239004962784. Its totient is φ = 48034652125376.

The previous prime is 120100221100219. The next prime is 120100221100253. The reversal of 120100221100220 is 22001122001021.

It is a junction number, because it is equal to n+sod(n) for n = 120100221100195 and 120100221100204.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 339588512 + ... + 339941991.

It is an arithmetic number, because the mean of its divisors is an integer number (10509958540116).

Almost surely, 2^{120100221100220} is an apocalyptic number.

120100221100220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120100221100220 is an abundant number, since it is smaller than the sum of its proper divisors (132138783862564).

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

120100221100220 is a wasteful number, since it uses less digits than its factorization.

120100221100220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679539349 (or 679539347 counting only the distinct ones).

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

Adding to 120100221100220 its reverse (22001122001021), we get a palindrome (142101343101241).

The spelling of 120100221100220 in words is "one hundred twenty trillion, one hundred billion, two hundred twenty-one million, one hundred thousand, two hundred twenty".