110121 has 16 divisors (see below), whose sum is σ = 165888. Its totient is φ = 64400.

The previous prime is 110119. The next prime is 110129. The reversal of 110121 is 121011.

It is a cyclic number.

It is not a de Polignac number, because 110121 - 2¹ = 110119 is a prime.

110121 is a modest number, since divided by 121 gives 11 as remainder.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (110129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1516 + ... + 1586.

It is an arithmetic number, because the mean of its divisors is an integer number (10368).

2¹¹⁰¹²¹ is an apocalyptic number.

110121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

110121 is a deficient number, since it is larger than the sum of its proper divisors (55767).

110121 is a wasteful number, since it uses less digits than its factorization.

110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132.

The product of its (nonzero) digits is 2, while the sum is 6.

The square root of 110121 is about 331.8448432626. The cubic root of 110121 is about 47.9317606722.

Adding to 110121 its reverse (121011), we get a palindrome (231132).

Multiplying 110121 by its reverse (121011), we get a palindrome (13325852331).

It can be divided in two parts, 110 and 121, that added together give a triangular number (231 = T₂₁).

The spelling of 110121 in words is "one hundred ten thousand, one hundred twenty-one", and thus it is an iban number.