122220111108 has 24 divisors (see below), whose sum is σ = 285229230048. Its totient is φ = 40733041216.

The previous prime is 122220111067. The next prime is 122220111109. The reversal of 122220111108 is 801111022221.

It is not an unprimeable number, because it can be changed into a prime (122220111109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 801441 + ... + 941672.

It is an arithmetic number, because the mean of its divisors is an integer number (11884551252).

Almost surely, 2^122220111108 is an apocalyptic number.

It is an amenable number.

122220111108 is an abundant number, since it is smaller than the sum of its proper divisors (163009118940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122220111108 is a wasteful number, since it uses less digits than its factorization.

122220111108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1748963 (or 1748961 counting only the distinct ones).

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

Adding to 122220111108 its reverse (801111022221), we get a palindrome (923331133329).

The spelling of 122220111108 in words is "one hundred twenty-two billion, two hundred twenty million, one hundred eleven thousand, one hundred eight".