122101212210211 has 16 divisors (see below), whose sum is σ = 133042065468480. Its totient is φ = 111382918732800.

The previous prime is 122101212210199. The next prime is 122101212210269. The reversal of 122101212210211 is 112012212101221.

It is a happy number.

It is not a de Polignac number, because 122101212210211 - 2⁵ = 122101212210179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122101212210281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26005015 + ... + 30339136.

It is an arithmetic number, because the mean of its divisors is an integer number (8315129091780).

Almost surely, 2^{122101212210211} is an apocalyptic number.

122101212210211 is a deficient number, since it is larger than the sum of its proper divisors (10940853258269).

122101212210211 is a wasteful number, since it uses less digits than its factorization.

122101212210211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56346126.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 122101212210211 its reverse (112012212101221), we get a palindrome (234113424311432).

The spelling of 122101212210211 in words is "one hundred twenty-two trillion, one hundred one billion, two hundred twelve million, two hundred ten thousand, two hundred eleven".