110020012120 has 32 divisors (see below), whose sum is σ = 248162382720. Its totient is φ = 43898252800.

The previous prime is 110020012049. The next prime is 110020012127. The reversal of 110020012120 is 21210020011.

It is a super-3 number, since 3×110020012120³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 110020012097 and 110020012106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110020012127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3413512 + ... + 3445591.

It is an arithmetic number, because the mean of its divisors is an integer number (7755074460).

Almost surely, 2^110020012120 is an apocalyptic number.

110020012120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110020012120 is an abundant number, since it is smaller than the sum of its proper divisors (138142370600).

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

110020012120 is a wasteful number, since it uses less digits than its factorization.

110020012120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6859515 (or 6859511 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 110020012120 its reverse (21210020011), we get a palindrome (131230032131).

The spelling of 110020012120 in words is "one hundred ten billion, twenty million, twelve thousand, one hundred twenty".