111020214 has 16 divisors (see below), whose sum is σ = 222452928. Its totient is φ = 36937992.

The previous prime is 111020209. The next prime is 111020227. The reversal of 111020214 is 412020111.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 111020214.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 13632 + ... + 20195.

It is an arithmetic number, because the mean of its divisors is an integer number (13903308).

Almost surely, 2^111020214 is an apocalyptic number.

111020214 is an abundant number, since it is smaller than the sum of its proper divisors (111432714).

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

111020214 is a wasteful number, since it uses less digits than its factorization.

111020214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34379.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 111020214 is about 10536.6130231683. The cubic root of 111020214 is about 480.6187246846.

Adding to 111020214 its reverse (412020111), we get a palindrome (523040325).

The spelling of 111020214 in words is "one hundred eleven million, twenty thousand, two hundred fourteen".