122102122111 has 16 divisors (see below), whose sum is σ = 124788551680. Its totient is φ = 119442042720.

The previous prime is 122102122081. The next prime is 122102122133. The reversal of 122102122111 is 111221201221.

It is a cyclic number.

It is not a de Polignac number, because 122102122111 - 2¹³ = 122102113919 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 (122102122211) 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 15 ways as a sum of consecutive naturals, for example, 29356450 + ... + 29360608.

It is an arithmetic number, because the mean of its divisors is an integer number (7799284480).

Almost surely, 2^122102122111 is an apocalyptic number.

122102122111 is a deficient number, since it is larger than the sum of its proper divisors (2686429569).

122102122111 is a wasteful number, since it uses less digits than its factorization.

122102122111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7174.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 122102122111 its reverse (111221201221), we get a palindrome (233323323332).

The spelling of 122102122111 in words is "one hundred twenty-two billion, one hundred two million, one hundred twenty-two thousand, one hundred eleven".