111121363 has 2 divisors, whose sum is σ = 111121364. Its totient is φ = 111121362.

The previous prime is 111121343. The next prime is 111121379. The reversal of 111121363 is 363121111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111121363 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111121363.

It is not a weakly prime, because it can be changed into another prime (111121343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55560681 + 55560682.

It is an arithmetic number, because the mean of its divisors is an integer number (55560682).

Almost surely, 2^111121363 is an apocalyptic number.

111121363 is a deficient number, since it is larger than the sum of its proper divisors (1).

111121363 is an equidigital number, since it uses as much as digits as its factorization.

111121363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108, while the sum is 19.

The square root of 111121363 is about 10541.4118124661. The cubic root of 111121363 is about 480.7646420968.

Adding to 111121363 its reverse (363121111), we get a palindrome (474242474).

The spelling of 111121363 in words is "one hundred eleven million, one hundred twenty-one thousand, three hundred sixty-three".