122311222111 has 8 divisors (see below), whose sum is σ = 131810078960. Its totient is φ = 112825265472.

The previous prime is 122311222057. The next prime is 122311222123. The reversal of 122311222111 is 111222113221.

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

It is a cyclic number.

It is not a de Polignac number, because 122311222111 - 2²⁵ = 122277667679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122311222151) 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, 3205350 + ... + 3243283.

It is an arithmetic number, because the mean of its divisors is an integer number (16476259870).

Almost surely, 2^122311222111 is an apocalyptic number.

122311222111 is a deficient number, since it is larger than the sum of its proper divisors (9498856849).

122311222111 is a wasteful number, since it uses less digits than its factorization.

122311222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6450105.

The product of its digits is 96, while the sum is 19.

Adding to 122311222111 its reverse (111222113221), we get a palindrome (233533335332).

The spelling of 122311222111 in words is "one hundred twenty-two billion, three hundred eleven million, two hundred twenty-two thousand, one hundred eleven".