110421018 has 24 divisors (see below), whose sum is σ = 253319508. Its totient is φ = 34641792.

The previous prime is 110421013. The next prime is 110421019. The reversal of 110421018 is 810124011.

It can be written as a sum of positive squares in 2 ways, for example, as 89927289 + 20493729 = 9483^2 + 4527^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (110421011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 180121 + ... + 180732.

Almost surely, 2^110421018 is an apocalyptic number.

110421018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

110421018 is an abundant number, since it is smaller than the sum of its proper divisors (142898490).

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

110421018 is a wasteful number, since it uses less digits than its factorization.

110421018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360878 (or 360875 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

The square root of 110421018 is about 10508.1405586336. The cubic root of 110421018 is about 479.7525026158.

Adding to 110421018 its reverse (810124011), we get a palindrome (920545029).

It can be divided in two parts, 1104 and 21018, that added together give a palindrome (22122).

The spelling of 110421018 in words is "one hundred ten million, four hundred twenty-one thousand, eighteen".