201122120122211 has 4 divisors (see below), whose sum is σ = 201122215240752. Its totient is φ = 201122025003672.

The previous prime is 201122120122193. The next prime is 201122120122241. The reversal of 201122120122211 is 112221021221102.

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 201122120122211 - 2²⁶ = 201122053013347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201122120122241) 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, 44313791 + ... + 48641096.

It is an arithmetic number, because the mean of its divisors is an integer number (50280553810188).

Almost surely, 2^{201122120122211} is an apocalyptic number.

201122120122211 is a deficient number, since it is larger than the sum of its proper divisors (95118541).

201122120122211 is an equidigital number, since it uses as much as digits as its factorization.

201122120122211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95118540.

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

Adding to 201122120122211 its reverse (112221021221102), we get a palindrome (313343141343313).

The spelling of 201122120122211 in words is "two hundred one trillion, one hundred twenty-two billion, one hundred twenty million, one hundred twenty-two thousand, two hundred eleven".