111020346 has 24 divisors (see below), whose sum is σ = 240764160. Its totient is φ = 36972936.

The previous prime is 111020339. The next prime is 111020417. The reversal of 111020346 is 643020111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 24615 + ... + 28773.

It is an arithmetic number, because the mean of its divisors is an integer number (10031840).

Almost surely, 2^111020346 is an apocalyptic number.

111020346 is an abundant number, since it is smaller than the sum of its proper divisors (129743814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111020346 is a wasteful number, since it uses less digits than its factorization.

111020346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5650 (or 5647 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 111020346 is about 10536.6192870389. The cubic root of 111020346 is about 480.6189151654.

Adding to 111020346 its reverse (643020111), we get a palindrome (754040457).

The spelling of 111020346 in words is "one hundred eleven million, twenty thousand, three hundred forty-six".