122120222011211 has 4 divisors (see below), whose sum is σ = 124424377143552. Its totient is φ = 119816066878872.

The previous prime is 122120222011147. The next prime is 122120222011213. The reversal of 122120222011211 is 112110222021221.

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 122120222011211 - 2⁶ = 122120222011147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122120222011213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1152077566091 + ... + 1152077566196.

It is an arithmetic number, because the mean of its divisors is an integer number (31106094285888).

Almost surely, 2^{122120222011211} is an apocalyptic number.

122120222011211 is a deficient number, since it is larger than the sum of its proper divisors (2304155132341).

122120222011211 is an equidigital number, since it uses as much as digits as its factorization.

122120222011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2304155132340.

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

Adding to 122120222011211 its reverse (112110222021221), we get a palindrome (234230444032432).

The spelling of 122120222011211 in words is "one hundred twenty-two trillion, one hundred twenty billion, two hundred twenty-two million, eleven thousand, two hundred eleven".