110122121220020 has 72 divisors (see below), whose sum is σ = 289705888166184. Its totient is φ = 34851836162304.

The previous prime is 110122121219951. The next prime is 110122121220061. The reversal of 110122121220020 is 20022121221011.

It can be written as a sum of positive squares in 4 ways, for example, as 22629220252324 + 87492900967696 = 4757018^2 + 9353764^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4321891547 + ... + 4321917026.

It is an arithmetic number, because the mean of its divisors is an integer number (4023692891197).

Almost surely, 2^{110122121220020} is an apocalyptic number.

110122121220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110122121220020 is an abundant number, since it is smaller than the sum of its proper divisors (179583766946164).

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

110122121220020 is a wasteful number, since it uses less digits than its factorization.

110122121220020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8643808609 (or 8643808600 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 110122121220020 its reverse (20022121221011), we get a palindrome (130144242441031).

Subtracting from 110122121220020 its reverse (20022121221011), we obtain a palindrome (90099999999009).

The spelling of 110122121220020 in words is "one hundred ten trillion, one hundred twenty-two billion, one hundred twenty-one million, two hundred twenty thousand, twenty".