120121120220 has 48 divisors (see below), whose sum is σ = 258466572000. Its totient is φ = 46865710080.

The previous prime is 120121120201. The next prime is 120121120241. The reversal of 120121120220 is 22021121021.

It is a junction number, because it is equal to n+sod(n) for n = 120121120195 and 120121120204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4166816 + ... + 4195544.

It is an arithmetic number, because the mean of its divisors is an integer number (5384720250).

Almost surely, 2^120121120220 is an apocalyptic number.

120121120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120121120220 is an abundant number, since it is smaller than the sum of its proper divisors (138345451780).

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

120121120220 is a wasteful number, since it uses less digits than its factorization.

120121120220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33878 (or 33876 counting only the distinct ones).

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

Adding to 120121120220 its reverse (22021121021), we get a palindrome (142142241241).

The spelling of 120121120220 in words is "one hundred twenty billion, one hundred twenty-one million, one hundred twenty thousand, two hundred twenty".