120211122122120 has 64 divisors (see below), whose sum is σ = 270757308856320. Its totient is φ = 48034275980544.

The previous prime is 120211122122011. The next prime is 120211122122131. The reversal of 120211122122120 is 21221221112021.

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 = 120211122122092 and 120211122122101.

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, 360412949 + ... + 360746331.

It is an arithmetic number, because the mean of its divisors is an integer number (4230582950880).

Almost surely, 2^{120211122122120} is an apocalyptic number.

120211122122120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120211122122120 is an abundant number, since it is smaller than the sum of its proper divisors (150546186734200).

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

120211122122120 is a wasteful number, since it uses less digits than its factorization.

120211122122120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342774 (or 342770 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 120211122122120 its reverse (21221221112021), we get a palindrome (141432343234141).

The spelling of 120211122122120 in words is "one hundred twenty trillion, two hundred eleven billion, one hundred twenty-two million, one hundred twenty-two thousand, one hundred twenty".