122110211211 has 8 divisors (see below), whose sum is σ = 162824125440. Its totient is φ = 81401552232.

The previous prime is 122110211207. The next prime is 122110211221. The reversal of 122110211211 is 112112011221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122110211211 - 2² = 122110211207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122110211221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1259271 + ... + 1352768.

It is an arithmetic number, because the mean of its divisors is an integer number (20353015680).

Almost surely, 2^122110211211 is an apocalyptic number.

122110211211 is a deficient number, since it is larger than the sum of its proper divisors (40713914229).

122110211211 is a wasteful number, since it uses less digits than its factorization.

122110211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2627625.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 122110211211 its reverse (112112011221), we get a palindrome (234222222432).

The spelling of 122110211211 in words is "one hundred twenty-two billion, one hundred ten million, two hundred eleven thousand, two hundred eleven".