121110193 has 8 divisors (see below), whose sum is σ = 130337640. Its totient is φ = 112116480.

The previous prime is 121110191. The next prime is 121110233. The reversal of 121110193 is 391011121.

It can be written as a sum of positive squares in 4 ways, for example, as 1710864 + 119399329 = 1308^2 + 10927^2 .

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 121110193 - 2¹ = 121110191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121110193.

It is not an unprimeable number, because it can be changed into a prime (121110191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57358 + ... + 59431.

It is an arithmetic number, because the mean of its divisors is an integer number (16292205).

Almost surely, 2^121110193 is an apocalyptic number.

It is an amenable number.

121110193 is a deficient number, since it is larger than the sum of its proper divisors (9227447).

121110193 is a wasteful number, since it uses less digits than its factorization.

121110193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116867.

The product of its (nonzero) digits is 54, while the sum is 19.

The square root of 121110193 is about 11005.0076328915. The cubic root of 121110193 is about 494.7588431812.

The spelling of 121110193 in words is "one hundred twenty-one million, one hundred ten thousand, one hundred ninety-three".