122222222100110 has 128 divisors (see below), whose sum is σ = 252968837971968. Its totient is φ = 42111906048000.

The previous prime is 122222222100091. The next prime is 122222222100227. The reversal of 122222222100110 is 11001222222221.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 32311475 + ... + 35895345.

It is an arithmetic number, because the mean of its divisors is an integer number (1976319046656).

Almost surely, 2^{122222222100110} is an apocalyptic number.

122222222100110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122222222100110 is an abundant number, since it is smaller than the sum of its proper divisors (130746615871858).

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

122222222100110 is a wasteful number, since it uses less digits than its factorization.

122222222100110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3584130.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 122222222100110 its reverse (11001222222221), we get a palindrome (133223444322331).

It can be divided in two parts, 1222222 and 22100110, that added together give a palindrome (23322332).

The spelling of 122222222100110 in words is "one hundred twenty-two trillion, two hundred twenty-two billion, two hundred twenty-two million, one hundred thousand, one hundred ten".