110023121 has 8 divisors (see below), whose sum is σ = 119090664. Its totient is φ = 101041920.

The previous prime is 110023117. The next prime is 110023139. The reversal of 110023121 is 121320011.

It can be written as a sum of positive squares in 4 ways, for example, as 9241600 + 100781521 = 3040^2 + 10039^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 110023121 - 2² = 110023117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110023621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18920 + ... + 24041.

It is an arithmetic number, because the mean of its divisors is an integer number (14886333).

Almost surely, 2^110023121 is an apocalyptic number.

It is an amenable number.

110023121 is a deficient number, since it is larger than the sum of its proper divisors (9067543).

110023121 is a wasteful number, since it uses less digits than its factorization.

110023121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43171.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 110023121 is about 10489.1906742131. The cubic root of 110023121 is about 479.1755537843.

Adding to 110023121 its reverse (121320011), we get a palindrome (231343132).

The spelling of 110023121 in words is "one hundred ten million, twenty-three thousand, one hundred twenty-one".