110011203121220 has 24 divisors (see below), whose sum is σ = 231023724465408. Its totient is φ = 44004443551200.

The previous prime is 110011203121219. The next prime is 110011203121297. The reversal of 110011203121220 is 22121302110011.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 41334155 + ... + 43915085.

It is an arithmetic number, because the mean of its divisors is an integer number (9625988519392).

Almost surely, 2^{110011203121220} is an apocalyptic number.

110011203121220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110011203121220 is an abundant number, since it is smaller than the sum of its proper divisors (121012521344188).

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

110011203121220 is a wasteful number, since it uses less digits than its factorization.

110011203121220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4712171 (or 4712169 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 110011203121220 its reverse (22121302110011), we get a palindrome (132132505231231).

The spelling of 110011203121220 in words is "one hundred ten trillion, eleven billion, two hundred three million, one hundred twenty-one thousand, two hundred twenty".