122212210211 has 24 divisors (see below), whose sum is σ = 159757595424. Its totient is φ = 92491217280.

The previous prime is 122212210199. The next prime is 122212210259. The reversal of 122212210211 is 112012212221.

It is not a de Polignac number, because 122212210211 - 2¹⁰ = 122212209187 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122212210211.

It is not an unprimeable number, because it can be changed into a prime (122212210111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4156130 + ... + 4185431.

It is an arithmetic number, because the mean of its divisors is an integer number (6656566476).

Almost surely, 2^122212210211 is an apocalyptic number.

122212210211 is a deficient number, since it is larger than the sum of its proper divisors (37545385213).

122212210211 is a wasteful number, since it uses less digits than its factorization.

122212210211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8341611 (or 8341604 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122212210211 its reverse (112012212221), we get a palindrome (234224422432).

The spelling of 122212210211 in words is "one hundred twenty-two billion, two hundred twelve million, two hundred ten thousand, two hundred eleven".