111020230213 has 32 divisors (see below), whose sum is σ = 120283833600. Its totient is φ = 102202214400.

The previous prime is 111020230199. The next prime is 111020230249. The reversal of 111020230213 is 312032020111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111020230213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111020230313) 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 31 ways as a sum of consecutive naturals, for example, 43724698 + ... + 43727236.

It is an arithmetic number, because the mean of its divisors is an integer number (3758869800).

Almost surely, 2^111020230213 is an apocalyptic number.

It is an amenable number.

111020230213 is a deficient number, since it is larger than the sum of its proper divisors (9263603387).

111020230213 is a wasteful number, since it uses less digits than its factorization.

111020230213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3213.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 111020230213 its reverse (312032020111), we get a palindrome (423052250324).

The spelling of 111020230213 in words is "one hundred eleven billion, twenty million, two hundred thirty thousand, two hundred thirteen".