120021122112122 has 64 divisors (see below), whose sum is σ = 225317463091200. Its totient is φ = 46581857350080.

The previous prime is 120021122112103. The next prime is 120021122112131. The reversal of 120021122112122 is 221211221120021.

It is a junction number, because it is equal to n+sod(n) for n = 120021122112094 and 120021122112103.

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 31 ways as a sum of consecutive naturals, for example, 341298779 + ... + 341650257.

It is an arithmetic number, because the mean of its divisors is an integer number (3520585360800).

Almost surely, 2^{120021122112122} is an apocalyptic number.

120021122112122 is a deficient number, since it is larger than the sum of its proper divisors (105296340979078).

120021122112122 is a wasteful number, since it uses less digits than its factorization.

120021122112122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360011.

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

Adding to 120021122112122 its reverse (221211221120021), we get a palindrome (341232343232143).

The spelling of 120021122112122 in words is "one hundred twenty trillion, twenty-one billion, one hundred twenty-two million, one hundred twelve thousand, one hundred twenty-two".