122122220110 has 16 divisors (see below), whose sum is σ = 239803632432. Its totient is φ = 44408080000.

The previous prime is 122122220069. The next prime is 122122220113. The reversal of 122122220110 is 11022221221.

It is a happy number.

122122220110 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122122220113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 555100891 + ... + 555101110.

It is an arithmetic number, because the mean of its divisors is an integer number (14987727027).

Almost surely, 2^122122220110 is an apocalyptic number.

122122220110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122122220110 is a deficient number, since it is larger than the sum of its proper divisors (117681412322).

122122220110 is a wasteful number, since it uses less digits than its factorization.

122122220110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110202019.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122122220110 its reverse (11022221221), we get a palindrome (133144441331).

It can be divided in two parts, 12212 and 2220110, that added together give a palindrome (2232322).

The spelling of 122122220110 in words is "one hundred twenty-two billion, one hundred twenty-two million, two hundred twenty thousand, one hundred ten".