110141921 has 2 divisors, whose sum is σ = 110141922. Its totient is φ = 110141920.

The previous prime is 110141909. The next prime is 110141947. The reversal of 110141921 is 129141011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56325025 + 53816896 = 7505^2 + 7336^2 .

It is an emirp because it is prime and its reverse (129141011) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110141921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 110141893 and 110141902.

It is not a weakly prime, because it can be changed into another prime (110141951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55070960 + 55070961.

It is an arithmetic number, because the mean of its divisors is an integer number (55070961).

Almost surely, 2^110141921 is an apocalyptic number.

It is an amenable number.

110141921 is a deficient number, since it is larger than the sum of its proper divisors (1).

110141921 is an equidigital number, since it uses as much as digits as its factorization.

110141921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 20.

The square root of 110141921 is about 10494.8521190153. The cubic root of 110141921 is about 479.3479586949.

Adding to 110141921 its reverse (129141011), we get a palindrome (239282932).

The spelling of 110141921 in words is "one hundred ten million, one hundred forty-one thousand, nine hundred twenty-one".