121112320321110 has 32 divisors (see below), whose sum is σ = 290956508200800. Its totient is φ = 32264736593408.

The previous prime is 121112320321081. The next prime is 121112320321121. The reversal of 121112320321110 is 11123023211121.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1992604035 + ... + 1992664814.

It is an arithmetic number, because the mean of its divisors is an integer number (9092390881275).

Almost surely, 2^{121112320321110} is an apocalyptic number.

121112320321110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121112320321110 is an abundant number, since it is smaller than the sum of its proper divisors (169844187879690).

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

121112320321110 is a wasteful number, since it uses less digits than its factorization.

121112320321110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3985269872.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 121112320321110 its reverse (11123023211121), we get a palindrome (132235343532231).

The spelling of 121112320321110 in words is "one hundred twenty-one trillion, one hundred twelve billion, three hundred twenty million, three hundred twenty-one thousand, one hundred ten".