120021020120122 has 64 divisors (see below), whose sum is σ = 216996250779648. Its totient is φ = 49112544096000.

The previous prime is 120021020120069. The next prime is 120021020120123. The reversal of 120021020120122 is 221021020120021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 120021020120096 and 120021020120105.

It is not an unprimeable number, because it can be changed into a prime (120021020120123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 648420847 + ... + 648605917.

It is an arithmetic number, because the mean of its divisors is an integer number (3390566418432).

Almost surely, 2^{120021020120122} is an apocalyptic number.

120021020120122 is a deficient number, since it is larger than the sum of its proper divisors (96975230659526).

120021020120122 is a wasteful number, since it uses less digits than its factorization.

120021020120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260515.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 120021020120122 its reverse (221021020120021), we get a palindrome (341042040240143).

The spelling of 120021020120122 in words is "one hundred twenty trillion, twenty-one billion, twenty million, one hundred twenty thousand, one hundred twenty-two".