110021040 has 120 divisors (see below), whose sum is σ = 378600768. Its totient is φ = 28615680.

The previous prime is 110021033. The next prime is 110021063. The reversal of 110021040 is 40120011.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27657 + ... + 31383.

Almost surely, 2^110021040 is an apocalyptic number.

110021040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 110021040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189300384).

110021040 is an abundant number, since it is smaller than the sum of its proper divisors (268579728).

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

110021040 is a wasteful number, since it uses less digits than its factorization.

110021040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3787 (or 3778 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 110021040 is about 10489.0914763863. The cubic root of 110021040 is about 479.1725326902.

Adding to 110021040 its reverse (40120011), we get a palindrome (150141051).

The spelling of 110021040 in words is "one hundred ten million, twenty-one thousand, forty".