122110222120121 has 16 divisors (see below), whose sum is σ = 125280186071040. Its totient is φ = 118965161985600.

The previous prime is 122110222120111. The next prime is 122110222120207. The reversal of 122110222120121 is 121021222011221.

It is a cyclic number.

It is not a de Polignac number, because 122110222120121 - 2⁶ = 122110222120057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122110222120093 and 122110222120102.

It is not an unprimeable number, because it can be changed into a prime (122110222120111) 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, 4598360 + ... + 16290038.

It is an arithmetic number, because the mean of its divisors is an integer number (7830011629440).

Almost surely, 2^{122110222120121} is an apocalyptic number.

It is an amenable number.

122110222120121 is a deficient number, since it is larger than the sum of its proper divisors (3169963950919).

122110222120121 is a wasteful number, since it uses less digits than its factorization.

122110222120121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11692744.

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

Adding to 122110222120121 its reverse (121021222011221), we get a palindrome (243131444131342).

The spelling of 122110222120121 in words is "one hundred twenty-two trillion, one hundred ten billion, two hundred twenty-two million, one hundred twenty thousand, one hundred twenty-one".