110121239 has 2 divisors, whose sum is σ = 110121240. Its totient is φ = 110121238.

The previous prime is 110121233. The next prime is 110121259. The reversal of 110121239 is 932121011.

It is an a-pointer prime, because the next prime (110121259) can be obtained adding 110121239 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 110121239 - 2¹⁶ = 110055703 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 110121239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110121233) 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, 55060619 + 55060620.

It is an arithmetic number, because the mean of its divisors is an integer number (55060620).

Almost surely, 2^110121239 is an apocalyptic number.

110121239 is a deficient number, since it is larger than the sum of its proper divisors (1).

110121239 is an equidigital number, since it uses as much as digits as its factorization.

110121239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 110121239 is about 10493.8667325252. The cubic root of 110121239 is about 479.3179534829.

The spelling of 110121239 in words is "one hundred ten million, one hundred twenty-one thousand, two hundred thirty-nine".