120221131112120 has 32 divisors (see below), whose sum is σ = 270893588321520. Its totient is φ = 48018044743680.

The previous prime is 120221131112081. The next prime is 120221131112123. The reversal of 120221131112120 is 21211131122021.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 120221131112092 and 120221131112101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120221131112123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2200213001 + ... + 2200267640.

Almost surely, 2^{120221131112120} is an apocalyptic number.

120221131112120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120221131112120 is an abundant number, since it is smaller than the sum of its proper divisors (150672457209400).

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

120221131112120 is a wasteful number, since it uses less digits than its factorization.

120221131112120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4400481335 (or 4400481331 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 120221131112120 its reverse (21211131122021), we get a palindrome (141432262234141).

Subtracting from 120221131112120 its reverse (21211131122021), we obtain a palindrome (99009999990099).

The spelling of 120221131112120 in words is "one hundred twenty trillion, two hundred twenty-one billion, one hundred thirty-one million, one hundred twelve thousand, one hundred twenty".