122102102105 has 16 divisors (see below), whose sum is σ = 148939611600. Its totient is φ = 96070613760.

The previous prime is 122102102063. The next prime is 122102102137. The reversal of 122102102105 is 501201201221.

It can be written as a sum of positive squares in 8 ways, for example, as 1612584649 + 120489517456 = 40157^2 + 347116^2 .

It is not a de Polignac number, because 122102102105 - 2¹⁶ = 122102036569 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5182091 + ... + 5205599.

It is an arithmetic number, because the mean of its divisors is an integer number (9308725725).

Almost surely, 2^122102102105 is an apocalyptic number.

It is an amenable number.

122102102105 is a deficient number, since it is larger than the sum of its proper divisors (26837509495).

122102102105 is a wasteful number, since it uses less digits than its factorization.

122102102105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40604.

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 122102102105 its reverse (501201201221), we get a palindrome (623303303326).

The spelling of 122102102105 in words is "one hundred twenty-two billion, one hundred two million, one hundred two thousand, one hundred five".