122110111211 has 4 divisors (see below), whose sum is σ = 133211030424. Its totient is φ = 111009192000.

The previous prime is 122110111199. The next prime is 122110111229. The reversal of 122110111211 is 112111011221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122110111211 - 2⁶ = 122110111147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122110111241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5550459590 + ... + 5550459611.

It is an arithmetic number, because the mean of its divisors is an integer number (33302757606).

Almost surely, 2^122110111211 is an apocalyptic number.

122110111211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122110111211 is a deficient number, since it is larger than the sum of its proper divisors (11100919213).

122110111211 is a wasteful number, since it uses less digits than its factorization.

122110111211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11100919212.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 122110111211 its reverse (112111011221), we get a palindrome (234221122432).

The spelling of 122110111211 in words is "one hundred twenty-two billion, one hundred ten million, one hundred eleven thousand, two hundred eleven".