111220119 has 6 divisors (see below), whose sum is σ = 160651296. Its totient is φ = 74146740.

The previous prime is 111220117. The next prime is 111220127. The reversal of 111220119 is 911022111.

It is a happy number.

It is not a de Polignac number, because 111220119 - 2¹ = 111220117 is a prime.

It is a super-2 number, since 2×111220119² = 24739829740748322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111220117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6178887 + ... + 6178904.

It is an arithmetic number, because the mean of its divisors is an integer number (26775216).

Almost surely, 2^111220119 is an apocalyptic number.

111220119 is a deficient number, since it is larger than the sum of its proper divisors (49431177).

111220119 is a wasteful number, since it uses less digits than its factorization.

111220119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12357797 (or 12357794 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The square root of 111220119 is about 10546.0949644880. The cubic root of 111220119 is about 480.9070219645.

The spelling of 111220119 in words is "one hundred eleven million, two hundred twenty thousand, one hundred nineteen".