122102221122111 has 8 divisors (see below), whose sum is σ = 162820104101424. Its totient is φ = 81392909445440.

The previous prime is 122102221122107. The next prime is 122102221122187. The reversal of 122102221122111 is 111221122201221.

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 122102221122111 - 2² = 122102221122107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122102221124111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2142792420 + ... + 2142849401.

It is an arithmetic number, because the mean of its divisors is an integer number (20352513012678).

Almost surely, 2^{122102221122111} is an apocalyptic number.

122102221122111 is a deficient number, since it is larger than the sum of its proper divisors (40717882979313).

122102221122111 is an equidigital number, since it uses as much as digits as its factorization.

122102221122111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4285651321.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 122102221122111 its reverse (111221122201221), we get a palindrome (233323343323332).

The spelling of 122102221122111 in words is "one hundred twenty-two trillion, one hundred two billion, two hundred twenty-one million, one hundred twenty-two thousand, one hundred eleven".