122100221222211 has 16 divisors (see below), whose sum is σ = 163022218092800. Its totient is φ = 81289188115488.

The previous prime is 122100221222209. The next prime is 122100221222237. The reversal of 122100221222211 is 112222122001221.

It is not a de Polignac number, because 122100221222211 - 2¹ = 122100221222209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122100221221211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 292677210 + ... + 293094096.

It is an arithmetic number, because the mean of its divisors is an integer number (10188888630800).

Almost surely, 2^{122100221222211} is an apocalyptic number.

122100221222211 is a deficient number, since it is larger than the sum of its proper divisors (40921996870589).

122100221222211 is a wasteful number, since it uses less digits than its factorization.

122100221222211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549738.

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

Adding to 122100221222211 its reverse (112222122001221), we get a palindrome (234322343223432).

The spelling of 122100221222211 in words is "one hundred twenty-two trillion, one hundred billion, two hundred twenty-one million, two hundred twenty-two thousand, two hundred eleven".