110040121 has 2 divisors, whose sum is σ = 110040122. Its totient is φ = 110040120.

The previous prime is 110040107. The next prime is 110040143. The reversal of 110040121 is 121040011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60140025 + 49900096 = 7755^2 + 7064^2 .

It is a cyclic number.

It is not a de Polignac number, because 110040121 - 2⁵ = 110040089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 110040098 and 110040107.

It is not a weakly prime, because it can be changed into another prime (110040101) by changing a digit.

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 as a sum of consecutive naturals, namely, 55020060 + 55020061.

It is an arithmetic number, because the mean of its divisors is an integer number (55020061).

Almost surely, 2^110040121 is an apocalyptic number.

It is an amenable number.

110040121 is a deficient number, since it is larger than the sum of its proper divisors (1).

110040121 is an equidigital number, since it uses as much as digits as its factorization.

110040121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 110040121 is about 10490.0010009532. The cubic root of 110040121 is about 479.2002321272.

Adding to 110040121 its reverse (121040011), we get a palindrome (231080132).

The spelling of 110040121 in words is "one hundred ten million, forty thousand, one hundred twenty-one".