122110123211 has 2 divisors, whose sum is σ = 122110123212. Its totient is φ = 122110123210.

The previous prime is 122110123207. The next prime is 122110123241. The reversal of 122110123211 is 112321011221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122110123211 - 2² = 122110123207 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122110123211.

It is not a weakly prime, because it can be changed into another prime (122110123241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61055061605 + 61055061606.

It is an arithmetic number, because the mean of its divisors is an integer number (61055061606).

Almost surely, 2^122110123211 is an apocalyptic number.

122110123211 is a deficient number, since it is larger than the sum of its proper divisors (1).

122110123211 is an equidigital number, since it uses as much as digits as its factorization.

122110123211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 122110123211 its reverse (112321011221), we get a palindrome (234431134432).

The spelling of 122110123211 in words is "one hundred twenty-two billion, one hundred ten million, one hundred twenty-three thousand, two hundred eleven".