122001121110 has 64 divisors (see below), whose sum is σ = 333309012480. Its totient is φ = 28290113280.

The previous prime is 122001121097. The next prime is 122001121117. The reversal of 122001121110 is 11121100221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122001121117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8029375 + ... + 8044554.

It is an arithmetic number, because the mean of its divisors is an integer number (5207953320).

Almost surely, 2^122001121110 is an apocalyptic number.

122001121110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122001121110 is an abundant number, since it is smaller than the sum of its proper divisors (211307891370).

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

122001121110 is a wasteful number, since it uses less digits than its factorization.

122001121110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16073973.

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

Adding to 122001121110 its reverse (11121100221), we get a palindrome (133122221331).

The spelling of 122001121110 in words is "one hundred twenty-two billion, one million, one hundred twenty-one thousand, one hundred ten".