122012011110 has 128 divisors (see below), whose sum is σ = 327558712320. Its totient is φ = 28829235200.

The previous prime is 122012011087. The next prime is 122012011111. The reversal of 122012011110 is 11110210221.

122012011110 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 (122012011111) 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 63 ways as a sum of consecutive naturals, for example, 16137511 + ... + 16145069.

It is an arithmetic number, because the mean of its divisors is an integer number (2559052440).

Almost surely, 2^122012011110 is an apocalyptic number.

122012011110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 122012011110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163779356160).

122012011110 is an abundant number, since it is smaller than the sum of its proper divisors (205546701210).

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

122012011110 is a wasteful number, since it uses less digits than its factorization.

122012011110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8814.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 122012011110 its reverse (11110210221), we get a palindrome (133122221331).

The spelling of 122012011110 in words is "one hundred twenty-two billion, twelve million, eleven thousand, one hundred ten".