122102202211111 has 4 divisors (see below), whose sum is σ = 122102224829712. Its totient is φ = 122102179592512.

The previous prime is 122102202211081. The next prime is 122102202211123. The reversal of 122102202211111 is 111112202201221.

It is a happy number.

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 122102202211111 - 2¹⁹ = 122102201686823 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 (122102202271111) 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, 2042775 + ... + 15759991.

It is an arithmetic number, because the mean of its divisors is an integer number (30525556207428).

Almost surely, 2^{122102202211111} is an apocalyptic number.

122102202211111 is a deficient number, since it is larger than the sum of its proper divisors (22618601).

122102202211111 is an equidigital number, since it uses as much as digits as its factorization.

122102202211111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22618600.

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

Adding to 122102202211111 its reverse (111112202201221), we get a palindrome (233214404412332).

The spelling of 122102202211111 in words is "one hundred twenty-two trillion, one hundred two billion, two hundred two million, two hundred eleven thousand, one hundred eleven".