110521 has 4 divisors (see below), whose sum is σ = 112000. Its totient is φ = 109044.

The previous prime is 110503. The next prime is 110527. The reversal of 110521 is 125011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 125011 = 149 ⋅839.

It is a cyclic number.

It is not a de Polignac number, because 110521 - 2¹³ = 102329 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110498 and 110507.

It is not an unprimeable number, because it can be changed into a prime (110527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 621 + ... + 778.

It is an arithmetic number, because the mean of its divisors is an integer number (28000).

2¹¹⁰⁵²¹ is an apocalyptic number.

It is an amenable number.

110521 is a deficient number, since it is larger than the sum of its proper divisors (1479).

110521 is an equidigital number, since it uses as much as digits as its factorization.

110521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1478.

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

The square root of 110521 is about 332.4469882553. The cubic root of 110521 is about 47.9897258103.

Adding to 110521 its reverse (125011), we get a palindrome (235532).

The spelling of 110521 in words is "one hundred ten thousand, five hundred twenty-one".