122202211220211 has 4 divisors (see below), whose sum is σ = 162936281626952. Its totient is φ = 81468140813472.

The previous prime is 122202211220189. The next prime is 122202211220237. The reversal of 122202211220211 is 112022112202221.

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

It is not a de Polignac number, because 122202211220211 - 2¹⁹ = 122202210695923 is a prime.

It is a super-3 number, since 3×122202211220211³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122202211220711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20367035203366 + ... + 20367035203371.

It is an arithmetic number, because the mean of its divisors is an integer number (40734070406738).

Almost surely, 2^{122202211220211} is an apocalyptic number.

122202211220211 is a deficient number, since it is larger than the sum of its proper divisors (40734070406741).

122202211220211 is an equidigital number, since it uses as much as digits as its factorization.

122202211220211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40734070406740.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 122202211220211 its reverse (112022112202221), we get a palindrome (234224323422432).

The spelling of 122202211220211 in words is "one hundred twenty-two trillion, two hundred two billion, two hundred eleven million, two hundred twenty thousand, two hundred eleven".