111380219 has 2 divisors, whose sum is σ = 111380220. Its totient is φ = 111380218.

The previous prime is 111380201. The next prime is 111380221. The reversal of 111380219 is 912083111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111380219 - 2¹⁶ = 111314683 is a prime.

It is a super-2 number, since 2×111380219² = 24811106368975922, which contains 22 as substring.

Together with 111380221, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (111380279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55690109 + 55690110.

It is an arithmetic number, because the mean of its divisors is an integer number (55690110).

Almost surely, 2^111380219 is an apocalyptic number.

111380219 is a deficient number, since it is larger than the sum of its proper divisors (1).

111380219 is an equidigital number, since it uses as much as digits as its factorization.

111380219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 26.

The square root of 111380219 is about 10553.6827221591. The cubic root of 111380219 is about 481.1376645881.

The spelling of 111380219 in words is "one hundred eleven million, three hundred eighty thousand, two hundred nineteen".