111401213 has 16 divisors (see below), whose sum is σ = 144930816. Its totient is φ = 83030640.

The previous prime is 111401203. The next prime is 111401243. The reversal of 111401213 is 312104111.

It is not a de Polignac number, because 111401213 - 2⁸ = 111400957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111401203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29681 + ... + 33222.

It is an arithmetic number, because the mean of its divisors is an integer number (9058176).

Almost surely, 2^111401213 is an apocalyptic number.

It is an amenable number.

111401213 is a deficient number, since it is larger than the sum of its proper divisors (33529603).

111401213 is a wasteful number, since it uses less digits than its factorization.

111401213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62944.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 111401213 is about 10554.6773043992. The cubic root of 111401213 is about 481.1678924857.

Adding to 111401213 its reverse (312104111), we get a palindrome (423505324).

The spelling of 111401213 in words is "one hundred eleven million, four hundred one thousand, two hundred thirteen".