110421142220 has 24 divisors (see below), whose sum is σ = 237277060944. Its totient is φ = 43141283136.

The previous prime is 110421142217. The next prime is 110421142241. The reversal of 110421142220 is 22241124011.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 110421142192 and 110421142201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64197479 + ... + 64199198.

It is an arithmetic number, because the mean of its divisors is an integer number (9886544206).

Almost surely, 2^110421142220 is an apocalyptic number.

110421142220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110421142220 is an abundant number, since it is smaller than the sum of its proper divisors (126855918724).

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

110421142220 is a wasteful number, since it uses less digits than its factorization.

110421142220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128396729 (or 128396727 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 110421142220 its reverse (22241124011), we get a palindrome (132662266231).

The spelling of 110421142220 in words is "one hundred ten billion, four hundred twenty-one million, one hundred forty-two thousand, two hundred twenty".