122201220222211 has 16 divisors (see below), whose sum is σ = 134819678763616. Its totient is φ = 110048678804736.

The previous prime is 122201220222199. The next prime is 122201220222227. The reversal of 122201220222211 is 112222022102221.

It is a cyclic number.

It is not a de Polignac number, because 122201220222211 - 2¹⁵ = 122201220189443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122201220222511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127663170 + ... + 128616823.

It is an arithmetic number, because the mean of its divisors is an integer number (8426229922726).

Almost surely, 2^{122201220222211} is an apocalyptic number.

122201220222211 is a deficient number, since it is larger than the sum of its proper divisors (12618458541405).

122201220222211 is a wasteful number, since it uses less digits than its factorization.

122201220222211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256280902.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 122201220222211 its reverse (112222022102221), we get a palindrome (234423242324432).

The spelling of 122201220222211 in words is "one hundred twenty-two trillion, two hundred one billion, two hundred twenty million, two hundred twenty-two thousand, two hundred eleven".