111228119 has 2 divisors, whose sum is σ = 111228120. Its totient is φ = 111228118.

The previous prime is 111228083. The next prime is 111228133. The reversal of 111228119 is 911822111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111228119 - 2²⁰ = 110179543 is a prime.

It is a super-2 number, since 2×111228119² = 24743388912556322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111228149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55614059 + 55614060.

It is an arithmetic number, because the mean of its divisors is an integer number (55614060).

Almost surely, 2^111228119 is an apocalyptic number.

111228119 is a deficient number, since it is larger than the sum of its proper divisors (1).

111228119 is an equidigital number, since it uses as much as digits as its factorization.

111228119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 26.

The square root of 111228119 is about 10546.4742449787. The cubic root of 111228119 is about 480.9185521444.

The spelling of 111228119 in words is "one hundred eleven million, two hundred twenty-eight thousand, one hundred nineteen".