122001120211 has 4 divisors (see below), whose sum is σ = 129177656712. Its totient is φ = 114824583712.

The previous prime is 122001120209. The next prime is 122001120253. The reversal of 122001120211 is 112021100221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122001120211 - 2¹ = 122001120209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122001120191 and 122001120200.

It is not an unprimeable number, because it can be changed into a prime (122001120611) 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 3 ways as a sum of consecutive naturals, for example, 3588268225 + ... + 3588268258.

It is an arithmetic number, because the mean of its divisors is an integer number (32294414178).

Almost surely, 2^122001120211 is an apocalyptic number.

122001120211 is a deficient number, since it is larger than the sum of its proper divisors (7176536501).

122001120211 is an equidigital number, since it uses as much as digits as its factorization.

122001120211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7176536500.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 122001120211 its reverse (112021100221), we get a palindrome (234022220432).

The spelling of 122001120211 in words is "one hundred twenty-two billion, one million, one hundred twenty thousand, two hundred eleven".