111220310213 has 16 divisors (see below), whose sum is σ = 123201679104. Its totient is φ = 99951920640.

The previous prime is 111220310209. The next prime is 111220310237. The reversal of 111220310213 is 312013022111.

It is a cyclic number.

It is not a de Polignac number, because 111220310213 - 2² = 111220310209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111220310191 and 111220310200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111220310273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1664795 + ... + 1730312.

It is an arithmetic number, because the mean of its divisors is an integer number (7700104944).

Almost surely, 2^111220310213 is an apocalyptic number.

It is an amenable number.

111220310213 is a deficient number, since it is larger than the sum of its proper divisors (11981368891).

111220310213 is a wasteful number, since it uses less digits than its factorization.

111220310213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3395212.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 111220310213 its reverse (312013022111), we get a palindrome (423233332324).

The spelling of 111220310213 in words is "one hundred eleven billion, two hundred twenty million, three hundred ten thousand, two hundred thirteen".