110020021120 has 64 divisors (see below), whose sum is σ = 263108849040. Its totient is φ = 43992576000.

The previous prime is 110020021081. The next prime is 110020021127. The reversal of 110020021120 is 21120020011.

It is a tau number, because it is divible by the number of its divisors (64).

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 = 110020021097 and 110020021106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110020021127) 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, 1891999 + ... + 1949281.

Almost surely, 2^110020021120 is an apocalyptic number.

110020021120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110020021120 is an abundant number, since it is smaller than the sum of its proper divisors (153088827920).

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

110020021120 is an equidigital number, since it uses as much as digits as its factorization.

110020021120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60303 (or 60291 counting only the distinct ones).

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

Adding to 110020021120 its reverse (21120020011), we get a palindrome (131140041131).

The spelling of 110020021120 in words is "one hundred ten billion, twenty million, twenty-one thousand, one hundred twenty".