120122121220211 has 16 divisors (see below), whose sum is σ = 131077049914368. Its totient is φ = 109172984037600.

The previous prime is 120122121220177. The next prime is 120122121220219. The reversal of 120122121220211 is 112022121221021.

It is a cyclic number.

It is not a de Polignac number, because 120122121220211 - 2⁶ = 120122121220147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120122121220219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1667608766 + ... + 1667680796.

It is an arithmetic number, because the mean of its divisors is an integer number (8192315619648).

Almost surely, 2^{120122121220211} is an apocalyptic number.

120122121220211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

120122121220211 is a deficient number, since it is larger than the sum of its proper divisors (10954928694157).

120122121220211 is a wasteful number, since it uses less digits than its factorization.

120122121220211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110122.

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

Adding to 120122121220211 its reverse (112022121221021), we get a palindrome (232144242441232).

The spelling of 120122121220211 in words is "one hundred twenty trillion, one hundred twenty-two billion, one hundred twenty-one million, two hundred twenty thousand, two hundred eleven".