110002120200020 has 24 divisors (see below), whose sum is σ = 234258036259968. Its totient is φ = 43381117824800.

The previous prime is 110002120199999. The next prime is 110002120200029. The reversal of 110002120200020 is 20002021200011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 110002120199974 and 110002120200010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110002120200029) 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 7 ways as a sum of consecutive naturals, for example, 38733139496 + ... + 38733142335.

It is an arithmetic number, because the mean of its divisors is an integer number (9760751510832).

Almost surely, 2^{110002120200020} is an apocalyptic number.

110002120200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110002120200020 is an abundant number, since it is smaller than the sum of its proper divisors (124255916059948).

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

110002120200020 is a wasteful number, since it uses less digits than its factorization.

110002120200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77466281911 (or 77466281909 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 110002120200020 its reverse (20002021200011), we get a palindrome (130004141400031).

Subtracting from 110002120200020 its reverse (20002021200011), we obtain a palindrome (90000099000009).

The spelling of 110002120200020 in words is "one hundred ten trillion, two billion, one hundred twenty million, two hundred thousand, twenty".