120212021110220 has 72 divisors (see below), whose sum is σ = 273362947223184. Its totient is φ = 44385152318208.

The previous prime is 120212021110187. The next prime is 120212021110241. The reversal of 120212021110220 is 22011120212021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 199480802 + ... + 200082518.

It is an arithmetic number, because the mean of its divisors is an integer number (3796707600322).

Almost surely, 2^{120212021110220} is an apocalyptic number.

120212021110220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120212021110220 is an abundant number, since it is smaller than the sum of its proper divisors (153150926112964).

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

120212021110220 is a wasteful number, since it uses less digits than its factorization.

120212021110220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660859 (or 660844 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 120212021110220 its reverse (22011120212021), we get a palindrome (142223141322241).

The spelling of 120212021110220 in words is "one hundred twenty trillion, two hundred twelve billion, twenty-one million, one hundred ten thousand, two hundred twenty".