120122211120121 has 16 divisors (see below), whose sum is σ = 140084887552000. Its totient is φ = 102961398141504.

The previous prime is 120122211120101. The next prime is 120122211120187. The reversal of 120122211120121 is 121021112221021.

It is a happy number.

It is not a de Polignac number, because 120122211120121 - 2⁴¹ = 117923187864569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120122211120101) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 82165825 + ... + 83614993.

It is an arithmetic number, because the mean of its divisors is an integer number (8755305472000).

Almost surely, 2^{120122211120121} is an apocalyptic number.

It is an amenable number.

120122211120121 is a deficient number, since it is larger than the sum of its proper divisors (19962676431879).

120122211120121 is an equidigital number, since it uses as much as digits as its factorization.

120122211120121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1690853 (or 1690839 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 120122211120121 its reverse (121021112221021), we get a palindrome (241143323341142).

The spelling of 120122211120121 in words is "one hundred twenty trillion, one hundred twenty-two billion, two hundred eleven million, one hundred twenty thousand, one hundred twenty-one".